PLaneT is PLT Scheme's centralized package distribution system. Here you will find user-contributed Scheme packages along with instructions for using them.

The packages on this site are user-contributed and not part of PLT Scheme. Be aware that when you download one of them for use in your programs, you are installing software on your computer that could deliberately or accidentally harm your system. Do not require from PLaneT any packages you do not trust.

For more about how to use PLaneT and for instructions on turning your own code into packages, see the PLaneT documentation (also available in your local installation).

This page shows the latest versions of all available packages, sorted by category.

You can be notified when new packages are added by subscribing to the RSS feed or to the PLaneT-Announce mailing list.

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 Development Tools
NamePLaneT
Version
External
Version
OwnerDescription
 affine-contracts.plt(2 2)0.2.1tovAffine contracts for one-shot functions and boxes
 annotated-snip.plt(1 0)1.0jmjSnip class for annotated chunks of code. This allows you to write an expression, annotate it, and hide the code so that your expression is visually represented by a box containing only the annotation.
 aspectscheme.plt(1 0)4.0dutchynAspectScheme -- higher-order pointcut and advice aspects for Scheme
 autoplanet.plt(1 1)1.xuntypedQuick configuration of PLaneT development links.
 base.plt(1 4)0.5bzlib

bzlib/base provides the common utilities that other bzlib packages depend on. Currently this package's interface might drastically change and will not be directly supported until it stablizes.

 benchmark.plt(2 1)schematicsA SchemeUnit extension for timing code execution times
 check-values.plt(1 1)1.1cobbeMacros for writing SchemeUnit tests for multi-value functions
 c.plt(3 2)0.4dhermanTools for manipulating C, including header extraction for the FFI.
 datalog.plt(1 2)0.2jaymccarthyAn implementation of Datalog as a PLT Scheme language.
 date.plt(1 1)0.2bzlib

bzlib/date added additional date manipulations on top of srfi/19, including finding dates by the nth weekday, etc.

 date-tz.plt(1 1)0.2bzlib

bzlib/date-tz provides time-zone based date manipulation by parsing the olson database into native scheme objects, so you do not need to use the TZ environment variable.

 dbd-file.plt(1 1)0.2bzlib

bzlib/dbd-file provides a filesystem-based database with *mostly atomic* (not guaranteed on Windows) semantics.

bzlib/dbd-file is a non-SQL-based database driver.

Please see the home page for more details.

 dbd-jazmysql.plt(1 2)0.3bzlib

Wraps around jaz/mysql so it can be used with bzlib/dbi.

 dbd-jsqlite.plt(1 3)0.4bzlib

Wraps around jaymccarthy/sqlite so it can be used with bzlib/dbi.

Requires SQLITE >= 3.6 and jaymccarthy/sqlite >= 4.5.

 dbd-memcached.plt(1 1)0.1bzlib

bzlib/dbd-memcached interfaces with memcached, in either single instance or multi-instance (distributed hash store) mode

Please see the home page for more details.

 dbd-spgsql.plt(1 2)0.3bzlib

Wraps around SPGSQL so it can be used with bzlib/dbi.

Use PLT Scheme version > 4.0 as v4.0 has the Internal PLaneT error: trying to install already-installed package bug, which will prevent your SPGSQL installation.

 dbi.plt(1 3)0.4bzlib

bzlib/dbi provides abstraction over disparate database implementations. Inspired by Perl DBI.

 delicious.plt(1 3)untypedA client for the del.icio.us HTTP API. See http://del.icio.us/help/api/ for more information.
 delirium.plt(3 2)untyped

A tool for testing PLT web application user interfaces using Javascript remote control scripts and SchemeUnit test suites.

 dispatch.plt(2 1)untyped

A tool for configuring controller procedures and human-friendly URLs in web applications.

 divascheme.plt(1 6)2.5divaschemesemi-structured programming editing for DrScheme
 docgen.plt(1 0)20070410vyzoA simple html documentation generator
 dracula.plt(8 7)cceProvides the Dracula language level for ACL2 emulation.
 dr-fuzzy.plt(1 3)1.2ebellaniQuick find files
 drocaml.plt(2 0)2.0abromfiea set of tools for using OCaml in DrScheme
 drsync.plt(2 7)1.0.2grettkeDrSync is a tool that saves your files on frame deactivation and reverts them on frame activation. This tool is of particular interest to folks who run external programs like version control or build related tools on files which they are editing inside of DrScheme.
 fasttest.plt(3 6)cceFastTest random test case generation. Inspired by the QuickCheck library for Haskell.
 file.plt(1 1)0.2bzlib

bzlib/file provides utilities for manipulating files and paths, with focus on atomic file manipulations, simpler path manipulations, and simpler system call semantics.

 flexer.plt(1 1)0.2bzlib

bzlib/flexer provides FLEX/Flash Integration with SHP, so you can embed MXML and ActionScript directly into your SHP pages.

Please see the home page for more details.

 http.plt(1 0)0.1bzlib

bzlib/http provides abstraction over http manipulations, including a HTTP client (and in the future a HTTP server).

 idcheck.plt(1 5)untypedClient for the IDCheck distributed authentication system, available from http://idcheck.sourceforge.net/
 infix.plt(1 0)1.0soegaardInfix expressions: Write mathematical expressions with standard syntax.
 instaservlet.plt(2 2)untyped

Run a web application with two lines of code.

Package deprecated: see the docs for more information.

 instaweb.plt(4 0)schematics

Automatically setup and run your servlets in the web-server

 internat.plt(1 2)1.0oesterholtInternat - an internationalization module.
 java-class.plt(1 1)kazzmirSubset of mzlib's class library that mimics java's forms
 java.plt(1 5)0.1dhermanA library for manipulating Java programs in both source and binary format.
 javascript.plt(9 2)0.18dhermanA DrScheme language level for the JavaScript programming language.
 jsmgr.plt(1 1)0.2bzlib

JSMGR: Javascript Manager is a real-time javascript and CSS compressor (via YUI Compressor) and script builder in one package.

You can use it as a servlet (included), or you can use it with SHPso you can customize your javascript download with little effort.

YUI Compressor is released under BSD by Yahoo! and is included for convenience.

YUI requires Java (verion >= 1.4) being installed in your system.

Please see home page for more details.

 lazy-doc.plt(1 7)orseauThis package provides tools to easily create and document PLaneT packages. It also includes a simple text parser tool.
 leftparen.plt(5 1)0.61vegashackerLeftParen lets you write web apps quickly.
 leftparen.plt(1 3)1.3fjl
 lift.plt(1 0)1dhermanA control/state operator for communicated values up a continuation.
 log4scm.plt(1 3)1.0oesterholtLOG4SCM - a log library.
 log.plt(1 2)synxSimple logging facility
 macro.plt(1 2)1.2schematicsA library of macros that implement common patterns.
 mirrors.plt(2 3)untypedSyntaxes for creating composable blocks of XML and Javascript.
 moby.plt(2 32)dyooProvides a compiler from Advanced Student Language+world to Javascript for both web browsers and mobile smartphones.
 namespace.plt(1 0)1.0schematicsA library of useful procedures on namespaces
 net.plt(1 1)0.2bzlib

bzlib/net provides abstraction over basic internet protocol (application layer) manipulations, currently including header manipulation.

 net-repl.plt(1 0)1.0untyped

A networked REPL.

 no-brainer.plt(1 4)20081125clementsA simple static checker that reports some local arity errors and unused bindings
 opencl.plt(3 1)1.0.48jaymccarthyAn FFI for OpenCl
 os.plt(1 1)0.1bzlib

bzlib/os provides conditional expressions that depends on the (system-type 'os), including shorthand for windows, unix, macosx, as well as conditional requiring and providing modules.

Please see home page for documentations.

 packer.plt(1 1)0.1spdegabrielleDrScheme GUI tool to make a info.ss and automatically generate a .plt file for upload to PLaneT.Check the file menu for the Pack .PLT menu item.
 parameter.plt(1 3)dhermanUtilities for parameters.
 parseq.plt(1 1)0.2bzlib

Inspired by Haskell's Parsec and Shaurz's Haskell-style parser combinator, bzlib/parsec provides a monadic parser combinator library that can handle both character and binary data parsing.

 plai.plt(1 16)plaiLanguage levels for the Programming Languages: Application and Interpretation textbook
 planet.plt(1 0)(1 0)bzlib

bzlib/planet provides a planet proxy server for you to setup a local planet repositories.

 port.plt(1 1)0.2bzlib

bzlib/port provides utilities for creating specialized port helpers such as port filter, make-call-with-input-port, as well as utilities for gzipped files, encrypted files, and base64-encoded files.

 port.plt(1 3)schematicsA library of functions that operate on ports.
 projectmgr.plt(1 1)0.0.3spdegabrielleProjectsMgr saves your project state, and reloads that state on request. Includes Save/Load Tabs.**REMEMBER** to restart DrScheme after loading this or any other plugin/tool.Reloading is required to activate this and many packages in [Development Tools].
 prometheus.plt(1 0)2.0daedalusThe Prometheus Object System, a prototype-based object system inspired by Self
 redex.plt(4 4)robbyPLT Redex is a domain-specific language for expressing context-sensitive reduction semantics systems. It allows you to explore your reduction systems interactively using a GUI interface and write test cases using a scripting interface.
 require.plt(1 3)1.3ryancRequire is a library that lets one name external modules or packages and use short abbreviations for requiring those external modules or packages. In addition, it provides a single point of specification for the location and version number of the packages being used.
 roos.plt(1 9)1.9oesterholtROOS is an OO Framework this is used with mzgtk2 and Persistent ROOS
 sake.plt(1 0)schematics

Sake automates building your PLT Scheme projects

 scheme.plt(6 3)ccePLT Scheme programming utilities, including tools for:
  • functional programming,
  • object-oriented programming,
  • developing modules and packages,
  • and writing documentation.
 schemeunit.plt(3 4)schematicsSchemeUnit is a unit testing framework based on the Extreme Programming unit test frameworks
 session.plt(1 0)0.1bzlib

bzlib/session provides a session store on top of bzlib/dbi, along with setup scripts for dbd-jazmysql, dbd-jsqlite, dbd-spgsql

 shp.plt(1 2)0.3bzlib

SHP is a PLT Scheme web framework that allows immediate page change without having to manually refreshing servlets, along with a file path-based web dispatcher so you can have "pretty urls".

It is a PHP/JSP-like web framework for PLT Scheme - think of it as JSP vs Java servlets to PLT web-server's servlets.

Please see http://weblambda.blogspot.com for details and documentations.

 si.plt(1 0)1.0schematicsSimple Improvement is an addition to SchemeUnit that provides feedback on the efficiency of the development process
 sml.plt(1 5)chongkaiThis is the Standard ML language embeded in PLT Scheme.
 snooze.plt(2 8)untyped

An Object Relational Mapping (ORM) system from Untyped. Snooze lets you define special MzScheme structs called persistent-structs and serialize them to an SQLite or PostgreSQL database.

 sqlid-helper.plt(1 0)1.0sweeneyA SQL frontend for use with hans's sqlid planet package (uses scheme friendly syntax for select statements)
 staapl.plt(1 9)0.5.9zwizwaA collection of abstractions for metaprogramming microcontrollers.
 static-page.plt(1 0)1dhermanRapid development and debugging of static web sites.
 string-template.plt(1 0)1.0dyoosimple string templates
 superc.plt(2 0)jaymccarthyA language for writing integrated C and Scheme
 syntactic-closures.plt(1 0)1dhermanThe Bawden-Rees reference implementation of syntactic closures.
 syntax-browser.plt(2 0)2.0ryancObsolete: use (lib "syntax-browser.ss" "macro-debugger") instead. The syntax-browser displays lexical context and hygiene information on syntax objects using colors and highlighting.
 syntax-reprinter.plt(1 0)1.0dyooprint syntax objects, preserving lines and columns
 template.plt(1 0)0.1bzlib

bzlib/template provides string/file template abstractions. Currently provided a simplified version of inline quoted strings.

 test-box-recover.plt(1 0)mflattTool for v370 and later to open old programs with test-case boxes
 testeez.plt(1 3)0.5neilTesteez: Lightweight Unit Test Mechanism for Scheme
 test.plt(2 1)2dhermanUtilities for unit testing.
 thread.plt(1 0)0.1bzlib

THREAD provides erlang-style programming constructs for concurrency programming.

 time-expand.plt(1 0)dvanhorn
This collection provides utilities for timing macro invocation and expansion, analogous to the MzScheme utilities for collecting timing information on procedure application and evaluation.
 types.plt(2 0)2dhermanIdioms for typed-scheme.
 unit.plt(4 0)1dhermanConveniences and idioms for mzscheme units.
 unlib.plt(3 20)3.xuntypedHelpful utilities from Untyped.
 uuid-v4.plt(1 0)0.3zitterbewegung

uuid-v4 lets you make v4 uuid's quickly.

 xml.plt(1 1)0.2bzlib

bzlib/xml provides XML utility to help converting bewteen xexpr and sxml, as well as helpers for reading and writing sxml and xexpr. It also provides a mechanism to manage XML and HTML entities.

 Networking and Protocols
NamePLaneT
Version
External
Version
OwnerDescription
 base.plt(1 4)0.5bzlib

bzlib/base provides the common utilities that other bzlib packages depend on. Currently this package's interface might drastically change and will not be directly supported until it stablizes.

 bencode.plt(1 1)0.2neilbencode.scm: BitTorrent Bencode Decoding in Scheme
 blogue.plt(1 2)jaymccarthyblogging tool like early blosxom
 date.plt(1 1)0.2bzlib

bzlib/date added additional date manipulations on top of srfi/19, including finding dates by the nth weekday, etc.

 date-tz.plt(1 1)0.2bzlib

bzlib/date-tz provides time-zone based date manipulation by parsing the olson database into native scheme objects, so you do not need to use the TZ environment variable.

 dbd-file.plt(1 1)0.2bzlib

bzlib/dbd-file provides a filesystem-based database with *mostly atomic* (not guaranteed on Windows) semantics.

bzlib/dbd-file is a non-SQL-based database driver.

Please see the home page for more details.

 dbd-jazmysql.plt(1 2)0.3bzlib

Wraps around jaz/mysql so it can be used with bzlib/dbi.

 dbd-jsqlite.plt(1 3)0.4bzlib

Wraps around jaymccarthy/sqlite so it can be used with bzlib/dbi.

Requires SQLITE >= 3.6 and jaymccarthy/sqlite >= 4.5.

 dbd-memcached.plt(1 1)0.1bzlib

bzlib/dbd-memcached interfaces with memcached, in either single instance or multi-instance (distributed hash store) mode

Please see the home page for more details.

 dbd-spgsql.plt(1 2)0.3bzlib

Wraps around SPGSQL so it can be used with bzlib/dbi.

Use PLT Scheme version > 4.0 as v4.0 has the Internal PLaneT error: trying to install already-installed package bug, which will prevent your SPGSQL installation.

 dbi.plt(1 3)0.4bzlib

bzlib/dbi provides abstraction over disparate database implementations. Inspired by Perl DBI.

 ddeclient.plt(1 0)matoA DDE interface to setup clients in PLT-Scheme.Supporting execute-, poke- and request-transactions.Beta state.
 delicious.plt(1 3)untypedA client for the del.icio.us HTTP API. See http://del.icio.us/help/api/ for more information.
 delirium.plt(3 2)untyped

A tool for testing PLT web application user interfaces using Javascript remote control scripts and SchemeUnit test suites.

 dispatch.plt(2 1)untyped

A tool for configuring controller procedures and human-friendly URLs in web applications.

 file.plt(1 1)0.2bzlib

bzlib/file provides utilities for manipulating files and paths, with focus on atomic file manipulations, simpler path manipulations, and simpler system call semantics.

 flexer.plt(1 1)0.2bzlib

bzlib/flexer provides FLEX/Flash Integration with SHP, so you can embed MXML and ActionScript directly into your SHP pages.

Please see the home page for more details.

 flickr.plt(1 0)dvanhorn
A Scheme wrapper for the Flickr web service.
 geolocate.plt(1 1)1.1oesterholtgeolocate - geographic location of ip numbers and host names
 growl.plt(1 2)1.2murphyA simple interface to the UDP protocol for Growl notifications.
 html-dom.plt(1 0)synxA TagSoup style DOM parser, using foof's permissive html parser to parse the document
 http.plt(3 2)synxA few tricks on top of net/url
 http.plt(1 0)0.1bzlib

bzlib/http provides abstraction over http manipulations, including a HTTP client (and in the future a HTTP server).

 identicons.plt(1 1)1.1mkLibrary for generating identicons from 32-bit numbers. Based on an idea by Don Park.
 instaservlet.plt(2 2)untyped

Run a web application with two lines of code.

Package deprecated: see the docs for more information.

 instaweb.plt(4 0)schematics

Automatically setup and run your servlets in the web-server

 jsmgr.plt(1 1)0.2bzlib

JSMGR: Javascript Manager is a real-time javascript and CSS compressor (via YUI Compressor) and script builder in one package.

You can use it as a servlet (included), or you can use it with SHPso you can customize your javascript download with little effort.

YUI Compressor is released under BSD by Yahoo! and is included for convenience.

YUI requires Java (verion >= 1.4) being installed in your system.

Please see home page for more details.

 leftparen.plt(5 1)0.61vegashackerLeftParen lets you write web apps quickly.
 leftparen.plt(1 3)1.3fjl
 listit.plt(1 0)1.0soegaardAn small Reddit-like web-application
 mail-parse.plt(1 0)0.2mburnsParse an email, or a stream of emails, into a simple structure
 mail-parse.plt(3 1)1.1spdegabrielleParse an email, or a stream of emails, into a simple structure
 mbform.plt(1 0)jaymccarthyMulti-button form abstraction
 mirrors.plt(2 3)untypedSyntaxes for creating composable blocks of XML and Javascript.
 mysql.plt(1 6)jazThe MySQL Client Library provides access to MySQL databases via TCP.
 net.plt(1 1)0.2bzlib

bzlib/net provides abstraction over basic internet protocol (application layer) manipulations, currently including header manipulation.

 net-repl.plt(1 0)1.0untyped

A networked REPL.

 network.plt(1 0)1dhermanNetwork utilities, currently only available for Windows.
 parseq.plt(1 1)0.2bzlib

Inspired by Haskell's Parsec and Shaurz's Haskell-style parser combinator, bzlib/parsec provides a monadic parser combinator library that can handle both character and binary data parsing.

 planet.plt(1 0)(1 0)bzlib

bzlib/planet provides a planet proxy server for you to setup a local planet repositories.

 port.plt(1 1)0.2bzlib

bzlib/port provides utilities for creating specialized port helpers such as port filter, make-call-with-input-port, as well as utilities for gzipped files, encrypted files, and base64-encoded files.

 randtok.plt(1 0)0.1neilrandtok: Random Token String Generation
 resume.plt(3 0)jacobmGives a simple API that allows PLT Web Server servlet programmers to create user accounts that let users resume old sessions after logging in
 rfc3339.plt(1 1)0.3neilrfc3339.scm: RFC3339 Date and Time Format in Scheme
 session.plt(1 0)0.1bzlib

bzlib/session provides a session store on top of bzlib/dbi, along with setup scripts for dbd-jazmysql, dbd-jsqlite, dbd-spgsql

 shp.plt(1 2)0.3bzlib

SHP is a PLT Scheme web framework that allows immediate page change without having to manually refreshing servlets, along with a file path-based web dispatcher so you can have "pretty urls".

It is a PHP/JSP-like web framework for PLT Scheme - think of it as JSP vs Java servlets to PLT web-server's servlets.

Please see http://weblambda.blogspot.com for details and documentations.

 socket.plt(3 2)20090427vyzoBSD/POSIX sockets library for mzscheme
 SPeaCAP.plt(1 0)1.0evanfarrerThe SPeaCAP (speak up) library provides bindings for the libpcap library.
 spgsql.plt(2 3)5.3schematicsThe spgsql library provides classes, datatypes, and procedures useful for connecting to a PostgreSQL database server over TCP.
 sqlid-helper.plt(1 0)1.0sweeneyA SQL frontend for use with hans's sqlid planet package (uses scheme friendly syntax for select statements)
 sql-table.plt(1 1)0.1dfisherProvides a persistent-table abstraction for SQL-based databases.
 static-page.plt(1 0)1dhermanRapid development and debugging of static web sites.
 template.plt(1 0)0.1bzlib

bzlib/template provides string/file template abstractions. Currently provided a simplified version of inline quoted strings.

 thread.plt(1 0)0.1bzlib

THREAD provides erlang-style programming constructs for concurrency programming.

 twitter.plt(1 0)jaymccarthyA Twitter API
 url-param.plt(2 0)jaymccarthyStores Web cells in URLs
 url-rewriting.plt(1 2)1.0oesterholt

url-rewriting - URL Rewriting for the PLT Web Server collection

 uuid.plt(1 1)williamsProvides immutable Universally Unique Identifiers (UUIDs) as defined in RFC 4122. Functions for constructing time-based (type 1), name-based using MD5 hashing (type 3), (pseudo-)random (type 4), and name-based using SHA-1 hashing (type 5) are provided.
 webbot.plt(1 3)1.30oesterholtWebBot contains a couple of ROOS classes that provide functionality to post multipart/form-data to sites.
 websockets.plt(1 0)1.0murphyHTML 5 asynchronous network communication facility.
 wtk.plt(1 8)jaymccarthySome web components
 xmlrpc.plt(4 0)2.0schematicsImplementation of the XML-RPC protocol.
 xmpp.plt(1 2)zzktA library for the XMPP or Jabber protocol.
 xosd.plt(1 0)1.0murphyBindings to the X on-screen display library.
 Graphics and Audio
NamePLaneT
Version
External
Version
OwnerDescription
 cairo.plt(1 0)samthA set of bindings for the cairo [http://cairographics.org] drawing library.Currently the font handling functionality is not included in the binding.
 fractal.plt(2 0)1dhermanA fun example of a simple fractal.
 gl2d.plt(2 0)jaymccarthyHelper routines for 2D graphics in OpenGL
 gl-world.plt(1 0)jaymccarthyLike World, but with OpenGL rendering.
 gnuplot.plt(1 3)20081124vyzognuplot interface
 identicons.plt(1 1)1.1mkLibrary for generating identicons from 32-bit numbers. Based on an idea by Don Park.
 iTunes-helper.plt(1 0)the only versionclementsA nearly useless package to help you choose subsets of your iTunes Library; useful for randomizing what's on your iPod.
 muveeStyleBrowser.plt(1 2)0.1 alphakumarA utility to browse muvee Reveal styles published onhttp://muvee-style-authoring.googlecode.com/for copying, installation, uninstallation, etc.
 picturing-programs.plt(1 3)sblochThe picturing-programs collection supersedes the tiles and sb-world collections. It provides functions to rotate, reflect, concatenate, etc. images, as well as a slightly modified version of the universe teachpack.
 rsitunes.plt(1 1)jaymccarthyHelps you use iTunes to care for your RSI.
 sb-world.plt(1 7)sblochThe sb-world collection provides an alternative API for animations, similar to the bundled "world" teachpack but more functional and less imperative.
 sicp.plt(2 1)soegaardThe SICP Picture Language.
 tiles.plt(1 17)sblochThe tiles collection provides functions for combining (vertical and horizontal concatenation) and manipulating (rotation, reflection) images.
 x11.plt(2 1)1.0kazzmirBindings to the X11 library
 XML-Related
NamePLaneT
Version
External
Version
OwnerDescription
 csv.plt(1 5)0.9neilcsv.scm: Comma-Separated Value (CSV) Utilities in Scheme
 gnucash.plt(1 1)0.01clementsA library of functions for parsing Gnucash files
 ho-utils.plt(1 6)1.6oesterholtHO Utils - are utilities that are used with various packages
 html-parser.plt(1 2)1.2ashinnA fully customizable, practical HTML parser, with an htmlprag-compatible html->sxml interface, as well as an SSAX-like lazy tree-folding interface.
 libxml2.plt(1 0)20091209clementsBindings for the libxml2 library
 mirrors.plt(2 3)untypedSyntaxes for creating composable blocks of XML and Javascript.
 sedna.plt(1 2)lizorkinSXML-compatible client API for XML database management system Sedna
 ssax.plt(2 0)lizorkinSSAX functional XML parsing framework to inter-convert between an angular-bracket and an S-expression-based notations for markup documents
 sxml-match.plt(1 1)1.1jimA 'by-example' pattern matcher for SXML.
 sxml.plt(2 1)lizorkinCollection of tools for processing markup documents in the form of S-expressions
 webit.plt(1 6)2.1jim
 webscraperhelper.plt(1 2)0.5neilWebScraperHelper: Simple Generation of SXPath Queries from SXML Examples
 xml-maker.plt(1 2)synxXML maker
 xml.plt(1 1)0.2bzlib

bzlib/xml provides XML utility to help converting bewteen xexpr and sxml, as well as helpers for reading and writing sxml and xexpr. It also provides a mechanism to manage XML and HTML entities.

 xml-writer.plt(1 0)synxA generative XML writer
 xmpp.plt(1 2)zzktA library for the XMPP or Jabber protocol.
 Data Structures and Algorithms
NamePLaneT
Version
External
Version
OwnerDescription
 ahocorasick.plt(1 0)dyooAho-Corasick Tools: both an interpreter and a compiler for Aho-Corasick automata
 amb.plt(1 1)1.1murphyAn enhanced version of the classic backtracking ambiguous operator.
 amb.plt(1 0)1.0wmfarrThe classic ambiguous operator.
 array-ec.plt(1 0)1.0wmfarrSRFI-42 eager comprehensions and generators for SRFI-25 arrays.
 aterm.plt(2 0)1dhermanUtilities for the ATerm format.
 batched-deque.plt(1 0)jaymccarthyFunctional Deque
 calm-evt.plt(1 0)1.0dyoocalm-evt: event wrapper that calms an event's delivery.
 connected.plt(1 0)jaymccarthyFinds connected components
 control.plt(2 0)2.0soegaardControl Structures

This package provides the control structures while, until, dotimes, and tagged-begin. The tagged-begin contruct is a 'begin with labels and goto'.

 crypto.plt(2 3)20090428vyzoCrypto library for mzscheme
 datastructs.plt(1 0)0.40oesterholtDatastructs - Thread Safe Datastructures
 dbm.plt(1 0)jaymccarthyAn interface to UNIX dbm databases
 digest.plt(1 2)1.2soegaardMessage digest algorithms (md5, sha1, ...) from libcrypto. Incremental calculation supported.
 dijkstra.plt(1 2)jaymccarthyAn implementation of Dijkstra's algorithm
 disk.plt(1 0)1.0soegaardA library of disk functions. For now sorting of large files.
 environment.plt(3 0)3.0cobbeA rib-cage environment data structure.
 evector.plt(1 1)1.1soegaardExtensible vectors are a low level, resizeable data structure resembling normal Scheme vectors.
 fib-heap.plt(1 1)jaymccarthyAn imperative Fibonacci heap
 floyd-warshall.plt(1 0)jaymccarthyAn implementation of an all shortest paths algorithm
 fra.plt(2 2)jaymccarthyA purely functional implementation of a relational algebra + database
 galore.plt(4 2)soegaardA library of functional data structures
 gzip.plt(2 0)2.0soegaardProvides gzip compression and decompression via zlib.
 hash-cons.plt(1 0)1.0dyoohash-cons for sharing of cons pairs and structs
 join-forest.plt(1 2)1.1dyoojoin a forest of binary trees
 json.plt(3 0)3dhermanImplements the JSON data format.
 levenshtein.plt(1 3)0.6neillevenshtein.scm: Levenshtein Distance Metric in Scheme
 libpq.plt(1 3)synxPostgreSQL Client Library Interface
 list.plt(2 0)2dhermanCombines the best of the standard mzscheme list libraries.
 logic.plt(1 1)0.01 alphapjmatosFunctions for logic formulas (as s-expr) manipulation.Also includes functions to generate CNF and system interface to SAT solvers.
 matrix.plt(1 0)jaymccarthy'Functional' matrices that allow persistent reads but not persistent writes
 move-pos.plt(1 0)1.0dyoocalculates the effect of printing a displayed string on line/column positions.
 multimethod.plt(2 1)2.1murphyProcedures with multiple dispatch and ad-hoc type hierarchies.
 mzgsl.plt(3 0)wmfarrBindings to the GNU Scientific Library for MzScheme. See the Science collection for native MzScheme libraries which implement much of this functionality.
 pairing-heap.plt(1 0)1.0wmfarr

The pairing-heaps.plt package provides a unit for creating and manipulating pairing heaps. To learn more about pairing heaps, see the Wikipedia entry on pairing-heaps. The heaps created by this package are "persistent", meaning that operations like "insert" create a new heap which contains all the elemnts of the old heap plus those which have been inserted. Persistent datastructures are particularly useful for multi-threaded programs because no operations can alter a pre-existing heap (which can therefore be shared between multiple threads).

 permutations.plt(1 3)wmfarrGenerate and manipulate permutations.
 plt-linalg.plt(1 11)wmfarrSimple linear algebra operations in double-precision for PLT Scheme.Uses LAPACK and BLAS for operations
 ralist.plt(1 13)dvanhorn
Purely Functional Random-Access Lists.
 ring-buffer.plt(1 0)jaymccarthyImperative ring buffer
 rle.plt(1 1)1.0dyoorun-length encoding
 rope.plt(3 2)3.0dyooRopes for fast string concatenation and subsequencing
 set.plt(5 0)3dhermanA functional set implementation.
 simple-matrix.plt(1 1)wmfarrVery simple and basic matrix/vector operations and datastructures
 SO31.plt(1 2)1.2wmfarrCode to manipulate four-dimensional Lorentz transformations (i.e. SO(3,1) group elements).
 sort.plt(1 0)1dhermanUseful sorting utilities.
 spvector.plt(1 2)jaymccarthy'Functional' vectors that allow persistent reads but not persistent writes
 srfi-4-comprehensions.plt(1 1)1.0wmfarrSRFI-42 comprehensions and generators for SRFI-4 vectors
 stream.plt(1 1)1dhermanA library of procedures for operating on SRFI 40 streams, analogous to SRFI 1.
 struct.plt(2 4)4dhermanA library of various data structures based on structs, including algebraic datatypes and inheritance hierarchies.
 suffixtree.plt(1 1)dyoo

Suffix trees with Ukkonen's algorithm

 tqueue.plt(1 2)1.0dyoo

A queue-like data structure for topological sorting.

 trie.plt(1 0)jaymccarthyFinite maps as big-endian binary tries
 union-find.plt(1 0)1.0dyoounion-find: classical union-find data structure for disjoint sets
 views.plt(2 1)2.1cobbeMacros for defining pattern-matching views on abstract data types
 weak-map.plt(1 0)1.0dyooweak-map: a hash-table with weak-keysUseful for building object caches. Also includes a string-intern example.
 xml-maker.plt(1 2)synxXML maker
 xml-writer.plt(1 0)synxA generative XML writer
 zipper.plt(1 0)jaymccarthyZipper-like functions.
 Input/Output and Filesystem
NamePLaneT
Version
External
Version
OwnerDescription
 binary.plt(1 0)1dhermanUtilities for binary data.
 bit-io.plt(2 0)2soegaardBit IO

This package provides the operations for reading and writing bits from and to files.

 csv.plt(1 5)0.9neilcsv.scm: Comma-Separated Value (CSV) Utilities in Scheme
 describe.plt(1 0)williamsThis library provides routines to describe PLT Scheme objects.
 fmt.plt(1 1)0.6ashinnExtensible Combinator-based Text Formatting
 fs-persist.plt(1 0)jaymccarthyfs-persist
 gnucash.plt(1 1)0.01clementsA library of functions for parsing Gnucash files
 html-parser.plt(1 2)1.2ashinnA fully customizable, practical HTML parser, with an htmlprag-compatible html->sxml interface, as well as an SSAX-like lazy tree-folding interface.
 ical.plt(1 2)jaymccarthyReads and writes iCal/vCal files
 io.plt(1 9)4dhermanA library of I/O utilities.
 libxml2.plt(1 0)20091209clementsBindings for the libxml2 library
 mboxrd-read.plt(1 1)20090325clementsA library of 2 functions for parsing files in the standard mboxrd format
 mzfam.plt(1 2)1.0jaoA file alteration monitor (using either FAM/Gamin or a pure scheme implementation)
 packed-binary.plt(1 4)williamsPerforms conversions between PLT Scheme values and C structs represented as PLT Scheme byte strings. It also provides read and write routines to perform these conversions directly to/from binary files.
 planet-fmt.plt(1 1)joskoot
 port.plt(1 3)schematicsA library of functions that operate on ports.
 pprint.plt(4 4)2dhermanA pretty-printing library.
 scripting.plt(1 1)1.1ryancScripting is a library of procedures useful for writing mzscheme scripts, especially those which execute external commands and manipulate the filesystem.
 sqld-psql-c.plt(1 1)1.1oesterholtsqld-psql-c - An FFI based, asynchronous driver for use with SQLID for PostgreSQL, based on libpq and an additional threaded query library
 sqld-psql-ffi.plt(1 1)1.00oesterholtsqld-psql-ffi - An FFI based, asynchronous driver for use with SQLID for PostgreSQL, based on libpq
 sqld-psql.plt(1 0)1.0oesterholtsqld-psql - A driver for use with SQLID for PostgreSQL based on Schematics spgsql.plt
 sqld-sqlite.plt(1 7)1.7oesterholtsqld-sqlite - An FFI driver for use with SQLID for sqlite3
 sqlid-helper.plt(1 0)1.0sweeneyA SQL frontend for use with hans's sqlid planet package (uses scheme friendly syntax for select statements)
 sqlid.plt(1 5)1.5oesterholtSQLI/SQLD is a framework for RDBM access.
 sqlite.plt(4 6)jaymccarthyAllows access to SQLite databases.
 sql-oo.plt(2 0)jaymccarthyAllows persistent objects in an SQL database. (Currently only works with SQLite.)
 sql-table.plt(1 1)0.1dfisherProvides a persistent-table abstraction for SQL-based databases.
 string-template.plt(1 0)1.0dyoosimple string templates
 svn.plt(1 1)1.1murphyBindings to the Subversion C API.
 svn-prop.plt(1 0)jaymccarthyA small FFI for Subversion WC properties
 Mathematical and Scientific
NamePLaneT
Version
External
Version
OwnerDescription
 bh-tree.plt(1 0)1.0wmfarrCreate and manipulate Barnes-Hut octtrees.These trees are useful in N-Body simulations as an efficient datastructure for computing forces and potentials.
 chipmunk.plt(1 0)jaymccarthyFFI to Chipmunk
 deriv.plt(3 0)wmfarr

MzScheme language which extends numerical operations to allow for automatic differentiation.

 dracula.plt(8 7)cceProvides the Dracula language level for ACL2 emulation.
 fractal.plt(2 0)1dhermanA fun example of a simple fractal.
 gnuplot.plt(1 3)20081124vyzognuplot interface
 inference.plt(2 3)williamsImplements a rule-based inference engine that supports both forward (data-driven) and backward (goal-driven) chaining.
 infix.plt(1 0)1.0soegaardInfix expressions: Write mathematical expressions with standard syntax.
 levenshtein.plt(1 3)0.6neillevenshtein.scm: Levenshtein Distance Metric in Scheme
 logic.plt(1 1)0.01 alphapjmatosFunctions for logic formulas (as s-expr) manipulation.Also includes functions to generate CNF and system interface to SAT solvers.
 math.plt(1 4)1.4soegaardLarge collection of number theory functions.
 mzgsl.plt(3 0)wmfarrBindings to the GNU Scientific Library for MzScheme. See the Science collection for native MzScheme libraries which implement much of this functionality.
 nbody-ics.plt(1 0)1.0wmfarrInitial conditions for N-body simulations.Currently provides cold and hot (any ratio of KE/PE) constant-density spherical distributions and plummer models.
 permutations.plt(1 3)wmfarrGenerate and manipulate permutations.
 plt-linalg.plt(1 11)wmfarrSimple linear algebra operations in double-precision for PLT Scheme.Uses LAPACK and BLAS for operations
 qlambda.plt(1 4)0.1zitterbewegungThis package provides a simulator for a functional language based on Scheme for expressing and simulating quantum algorithms. Example code implementing some simple quantum algorithms is provided.
 random-org.plt(1 2)1.0ekiruAn interface to the HTTP API of random.org, providing functions to generate true random numbers, strings, and passwords.
 random.plt(1 0)1schematicsFunctions to produce random numbers of various distribtions. The library uses the SRFI-27 approach. Random permuations are also provided
 rpg-utils.plt(1 0)1.0murphyStatistical and simulation procedures for pen and paper role playing games.
 science.plt(3 9)williamsA collection of modules that provide functions for numerical computing.
 simple-matrix.plt(1 1)wmfarrVery simple and basic matrix/vector operations and datastructures
 simulation.plt(3 4)williamsImplements an integrated discrete-event and continuous simulation engine.
 SO31.plt(1 2)1.2wmfarrCode to manipulate four-dimensional Lorentz transformations (i.e. SO(3,1) group elements).
 Hardware/Operating System-Specific Tools
NamePLaneT
Version
External
Version
OwnerDescription
 cairo.plt(1 0)samthA set of bindings for the cairo [http://cairographics.org] drawing library.Currently the font handling functionality is not included in the binding.
 c.plt(3 2)0.4dhermanTools for manipulating C, including header extraction for the FFI.
 ddeclient.plt(1 0)matoA DDE interface to setup clients in PLT-Scheme.Supporting execute-, poke- and request-transactions.Beta state.
 exec.plt(1 2)synxReplace the current process
 get-environment.plt(1 0)1.0dyooget C environmental variables
 host-serial.plt(1 2)1.0oesterholthost-serial - Serial numbers for a given host (hardware bound).
 linux-proc-apm.plt(1 0)0.2neillinux-proc-apm.scm: Linux /proc/apm APM Data Access in Scheme
 network.plt(1 0)1dhermanNetwork utilities, currently only available for Windows.
 password.plt(1 0)1.0schematicsA library of functions to generate passwords.
 pointer-address.plt(1 1)synxThe address of a C pointer
 sizeof.plt(2 0)synxSize of arbitrary C types
 socket.plt(3 2)20090427vyzoBSD/POSIX sockets library for mzscheme
 stat.plt(1 1)synxCollect stats about files
 Textual and Graphical User Interface
NamePLaneT
Version
External
Version
OwnerDescription
 animated-canvas.plt(1 1)williamsThis library provides an animated-canvas% class that specializes the MrEd canvas% class to provide a simple double-buffered animation capability in PLT Scheme. A simple demonstration program is also provided.
 annotated-snip.plt(1 0)1.0jmjSnip class for annotated chunks of code. This allows you to write an expression, annotate it, and hide the code so that your expression is visually represented by a box containing only the annotation.
 gl-world.plt(1 0)jaymccarthyLike World, but with OpenGL rendering.
 growl.plt(1 2)1.2murphyA simple interface to the UDP protocol for Growl notifications.
 hwiki.plt(1 15)1.15oesterholt

HWIKI - A wysiwyg wiki/cms for mzscheme

 log.plt(1 2)synxSimple logging facility
 mirrors.plt(2 3)untypedSyntaxes for creating composable blocks of XML and Javascript.
 planet-manager.plt(1 1)kazzmirA graphical manager for planet packages.
 pprint.plt(4 4)2dhermanA pretty-printing library.
 pyramidstack.plt(1 0)jaymccarthyA demo of the Chipmunk and GL APIs
 table-panel.plt(1 1)williamsThis library provides a table-panel% class that specializes the MrEd panel% class to provide a panel that aligns its children to a grid. A simple demonstration program is also provided.
 table-snip.plt(1 0)0.1spdegabrielleA MrEd snip for tabular data. /n just supply a table as a list of rows, with all the rows the same length(it doesn't check your table)
 vi.plt(1 11)kazzmirVi mode for Drscheme
 widgets.plt(2 0)2dhermanA library of GUI widgets.
 xosd.plt(1 0)1.0murphyBindings to the X on-screen display library.
 Metaprogramming Tools
NamePLaneT
Version
External
Version
OwnerDescription
 advanced-student.plt(1 1)dvanhorn
A simple compiler for the Advanced Student language, written in the Advanced Student Language and developed in the style of HtDP.
 aspectscheme.plt(1 0)4.0dutchynAspectScheme -- higher-order pointcut and advice aspects for Scheme
 c.plt(3 2)0.4dhermanTools for manipulating C, including header extraction for the FFI.
 dilbert.plt(1 0)dvanhorn
Context semantics for the Geometry of Interaction.
 grammar.plt(1 3)dvanhorn
Datum grammar acceptors, a syntax for constructing acceptor procedures for a given context-free grammar.
 java.plt(1 5)0.1dhermanA library for manipulating Java programs in both source and binary format.
 lambda-gradual.plt(1 2)1dhermanThe gradually typed lambda calculus of Siek and Taha and Herman, Tomb, and Flanagan.
 lambda-sigma.plt(1 1)5dhermanThe lambda-sigma calculus of Abadi, Cardelli, Curien, and Levy.
 macro-object.plt(1 0)1dhermanA library for attaching elaboration-time values to syntax transformers.
 macros.plt(1 3)1.2ryancDefines macros for struct definitions and interface-checked class programming. Also provides utilities for macro-writers.
 maker.plt(1 1)synxConvenient tools for making things
 mzlite.plt(1 0)1dhermanA DrScheme language level for a minimal mzscheme.
 namespace.plt(1 0)1.0schematicsA library of useful procedures on namespaces
 pointer-address.plt(1 1)synxThe address of a C pointer
 pprint.plt(4 4)2dhermanA pretty-printing library.
 r4rs-compiler.plt(1 0)dvanhorn
Compiling Scheme Workshop (1996) expository Scheme compiler.
 r6rs-expander-vantonder.plt(3 2)6.0.2 (12-27-07)dvanhorn
Portable expander for R6RS macros and libraries.
 redex.plt(4 4)robbyPLT Redex is a domain-specific language for expressing context-sensitive reduction semantics systems. It allows you to explore your reduction systems interactively using a GUI interface and write test cases using a scripting interface.
 roos.plt(1 9)1.9oesterholtROOS is an OO Framework this is used with mzgtk2 and Persistent ROOS
 sizeof.plt(2 0)synxSize of arbitrary C types
 sml.plt(1 5)chongkaiThis is the Standard ML language embeded in PLT Scheme.
 srfi-53.plt(1 0)dvanhorn
SRFI 53: Syntactic computations with computation-rules, reference implementation written by Andre van Tonder and transcribed to work with MzScheme and SchemeUnit.
 staapl.plt(1 9)0.5.9zwizwaA collection of abstractions for metaprogramming microcontrollers.
 syntactic-closures.plt(1 0)1dhermanThe Bawden-Rees reference implementation of syntactic closures.
 syntax-browser.plt(2 0)2.0ryancObsolete: use (lib "syntax-browser.ss" "macro-debugger") instead. The syntax-browser displays lexical context and hygiene information on syntax objects using colors and highlighting.
 typed-student.plt(1 1)dvanhorn
Typed Student: typed languages and teachpacks for HtDP.
 util.plt(1 7)synxSome utilities to do weird things not included by default.
 PLaneT-Related
NamePLaneT
Version
External
Version
OwnerDescription
 bug.plt(1 0)robbyA buggy package. Invoke the bug thunk to get a contract violation blaming this package
 lazy-doc.plt(1 7)orseauThis package provides tools to easily create and document PLaneT packages. It also includes a simple text parser tool.
 os.plt(1 1)0.1bzlib

bzlib/os provides conditional expressions that depends on the (system-type 'os), including shorthand for windows, unix, macosx, as well as conditional requiring and providing modules.

Please see home page for documentations.

 packer.plt(1 1)0.1spdegabrielleDrScheme GUI tool to make a info.ss and automatically generate a .plt file for upload to PLaneT.Check the file menu for the Pack .PLT menu item.
 planet-manager.plt(1 1)kazzmirA graphical manager for planet packages.
 require.plt(1 3)1.3ryancRequire is a library that lets one name external modules or packages and use short abbreviations for requiring those external modules or packages. In addition, it provides a single point of specification for the location and version number of the packages being used.
 test-connection.plt(1 0)planetTests your PLaneT collection to make sure it's working properly.
 Miscellaneous
NamePLaneT
Version
External
Version
OwnerDescription
 affine-contracts.plt(2 2)0.2.1tovAffine contracts for one-shot functions and boxes
 array-ec.plt(1 0)1.0wmfarrSRFI-42 eager comprehensions and generators for SRFI-25 arrays.
 aspect-scheme.plt(2 1)2cdutchynReference implementation of AspectScheme from "Aspects in Higher-Order Languages"
 base.plt(1 4)0.5bzlib

bzlib/base provides the common utilities that other bzlib packages depend on. Currently this package's interface might drastically change and will not be directly supported until it stablizes.

 big.plt(1 0)robbyblurb
 bisect-search.plt(1 0)1.0dyooBisection search algorithm
 blogue.plt(1 2)jaymccarthyblogging tool like early blosxom
 bulletml.plt(1 1)jaymccarthyAn implementation of BulletML
 ccnum.plt(1 2)0.4neilccnum.scm: Credit Card Number Utilities in Scheme
 C:\Documents and Settings\HP_Eigenaar\Application Data\PLT Scheme\4.2.2.4\collects\my-scheme\fmt\planet-fmt.plt(1 0)joskoot[no description available]
 cdrswift.plt(1 5)dignatof[no description available]
 classic-java.plt(1 1)1.1cobbeAn implementation of ClassicJava in PLT Redex.
 closure-calculus.plt(1 0)dvanhorn
An aplicative order reduction semantics for the lambda-rho-hat calculus of closures.
 contract-utils.plt(3 0)3.0cobbeVarious contract functions and utilities.
 country-codes.plt(1 1)1.1dyooISO 3166 country codes.
 c.plt(3 2)0.4dhermanTools for manipulating C, including header extraction for the FFI.
 crypto.plt(2 3)20090428vyzoCrypto library for mzscheme
 csv-write.plt(1 2)1dhermanGenerates CSV-formatted output.
 date.plt(1 1)0.2bzlib

bzlib/date added additional date manipulations on top of srfi/19, including finding dates by the nth weekday, etc.

 date-tz.plt(1 1)0.2bzlib

bzlib/date-tz provides time-zone based date manipulation by parsing the olson database into native scheme objects, so you do not need to use the TZ environment variable.

 dbd-file.plt(1 1)0.2bzlib

bzlib/dbd-file provides a filesystem-based database with *mostly atomic* (not guaranteed on Windows) semantics.

bzlib/dbd-file is a non-SQL-based database driver.

Please see the home page for more details.

 dbd-jazmysql.plt(1 2)0.3bzlib

Wraps around jaz/mysql so it can be used with bzlib/dbi.

 dbd-jsqlite.plt(1 3)0.4bzlib

Wraps around jaymccarthy/sqlite so it can be used with bzlib/dbi.

Requires SQLITE >= 3.6 and jaymccarthy/sqlite >= 4.5.

 dbd-memcached.plt(1 1)0.1bzlib

bzlib/dbd-memcached interfaces with memcached, in either single instance or multi-instance (distributed hash store) mode

Please see the home page for more details.

 dbd-spgsql.plt(1 2)0.3bzlib

Wraps around SPGSQL so it can be used with bzlib/dbi.

Use PLT Scheme version > 4.0 as v4.0 has the Internal PLaneT error: trying to install already-installed package bug, which will prevent your SPGSQL installation.

 dbi.plt(1 3)0.4bzlib

bzlib/dbi provides abstraction over disparate database implementations. Inspired by Perl DBI.

 delim-control.plt(1 0)jaymccarthyGeneric implementation of all four delimited control operators
 describe.plt(1 0)williamsThis library provides routines to describe PLT Scheme objects.
 file.plt(1 1)0.2bzlib

bzlib/file provides utilities for manipulating files and paths, with focus on atomic file manipulations, simpler path manipulations, and simpler system call semantics.

 finite-types.plt(1 1)dvanhorn
Enumerated and finite types and sets facility.
 flexer.plt(1 1)0.2bzlib

bzlib/flexer provides FLEX/Flash Integration with SHP, so you can embed MXML and ActionScript directly into your SHP pages.

Please see the home page for more details.

 fortunedb.plt(1 0)jaymccarthyFortune Database
 fractal.plt(2 0)1dhermanA fun example of a simple fractal.
 fun.plt(1 0)toupsAllows you to partially apply a function to any number/position of arguments.Contains a few other useful functions and left and right partial application.
 generator.plt(2 2)1.1dyooProvides nice syntactic sugar for writing Python/Ruby stylegenerators.
 geocoder.plt(1 1)1dhermanGeocodes US street addresses.
 gnuplot.plt(1 3)20081124vyzognuplot interface
 grid.plt(1 2)jaymccarthyManaging your life is good for you.
 hash-store.plt(1 4)jaymccarthyStores bytes by SHA1 hash.
 hmac-sha1.plt(1 1)jaymccarthyHMAC-SHA1
 host-serial.plt(1 2)1.0oesterholthost-serial - Serial numbers for a given host (hardware bound).
 ho-utils.plt(1 6)1.6oesterholtHO Utils - are utilities that are used with various packages
 htmlprag.plt(1 6)0.19neilHtmlPrag: Pragmatic Parsing and Emitting of HTML using SXML and SHTML
 http.plt(1 0)0.1bzlib

bzlib/http provides abstraction over http manipulations, including a HTTP client (and in the future a HTTP server).

 hwiki.plt(1 15)1.15oesterholt

HWIKI - A wysiwyg wiki/cms for mzscheme

 infix.plt(1 1)1.2dyooinfix expressions for PLT Scheme
 inspector.plt(1 0)2dhermanA library of inspector utilities.
 javascript.plt(1 2)jaymccarthyJavascript s-expression syntax
 job-queue.plt(2 1)jaymccarthyA multi-threaded work queue manager
 jsmgr.plt(1 1)0.2bzlib

JSMGR: Javascript Manager is a real-time javascript and CSS compressor (via YUI Compressor) and script builder in one package.

You can use it as a servlet (included), or you can use it with SHPso you can customize your javascript download with little effort.

YUI Compressor is released under BSD by Yahoo! and is included for convenience.

YUI requires Java (verion >= 1.4) being installed in your system.

Please see home page for more details.

 lambda-gradual.plt(1 2)1dhermanThe gradually typed lambda calculus of Siek and Taha and Herman, Tomb, and Flanagan.
 lambda-sigma.plt(1 1)5dhermanThe lambda-sigma calculus of Abadi, Cardelli, Curien, and Levy.
 launch-browser.plt(1 1)1.0oesterholtlaunch-browser - start the default browser with a url
 lazy-doc.plt(1 7)orseauThis package provides tools to easily create and document PLaneT packages. It also includes a simple text parser tool.
 list-accessor-predicates.plt(1 0)erastThis library defines the missing predicates to test whether a given list accessor car, cdr, cadr, caar, cdar, etc. can be applied. The corresponding predicates are called cadr?, caar?, cdar?, and so on, where car? and cdr? are synonyms for pair? Up to four combinations of car? and cdr? are supported. The predicates are defined using macros and should work efficiently.
 memoize.plt(3 1)2dhermanMacros for defining memoized procedures.
 meta-q.plt(1 0)jaymccarthyMeta-Q implementation for PLT strings
 miniKanren.plt(1 1)dfriedmanAn implementation of miniKanren, an embedding of logic programming into Scheme. This is the miniKanren that was presented at the 2006 Scheme Workshop in September, 2006.
 mmss.plt(1 1)jaymccarthyJay McCarthy's collection of Scheme procedures.
 mrtex2im.plt(1 3)0.4pjmatos[no description available]
 mysqldump.plt(1 0)1dhermanConverts a MySQL dump to CSV.
 mz-language-tags.plt(1 2)1.0oesterholtMZ-LANGUAGE-TAGS - IANA Language tags
 mzlite.plt(1 0)1dhermanA DrScheme language level for a minimal mzscheme.
 mzrpc.plt(1 4)1.4oesterholtMZRPC - An other RPC implementation for mzscheme
 nationality.plt(3 0)1dhermanMaps country names to their nationalities.
 net.plt(1 1)0.2bzlib

bzlib/net provides abstraction over basic internet protocol (application layer) manipulations, currently including header manipulation.

 nhs.plt(1 0)0.1 alphaspdegabrielleValidates or generates the check-digit or an NHS number. Only useful for health systems in the UK
 numspell.plt(1 1)0.2neilnumspell.scm: Spelling Numbers as English in Scheme
 offby1.plt(2 1)offby1Buncha stuff I find useful
 os.plt(1 1)0.1bzlib

bzlib/os provides conditional expressions that depends on the (system-type 'os), including shorthand for windows, unix, macosx, as well as conditional requiring and providing modules.

Please see home page for documentations.

 parseq.plt(1 1)0.2bzlib

Inspired by Haskell's Parsec and Shaurz's Haskell-style parser combinator, bzlib/parsec provides a monadic parser combinator library that can handle both character and binary data parsing.

 password.plt(1 0)1.0schematicsA library of functions to generate passwords.
 peg.plt(2 0)kazzmirParsing expression grammar generator.
 planet.plt(1 0)(1 0)bzlib

bzlib/planet provides a planet proxy server for you to setup a local planet repositories.

 pltwitter.plt(1 0)jaymccarthyA demo of how to do something like Twitter with PLT
 port.plt(1 1)0.2bzlib

bzlib/port provides utilities for creating specialized port helpers such as port filter, make-call-with-input-port, as well as utilities for gzipped files, encrypted files, and base64-encoded files.

 postnet-planet.plt(1 0)0.2neilpostnet.scm: USPS POSTNET Barcode Encoding in Scheme
 postnet.plt(1 0)0.3neilpostnet: USPS POSTNET Barcode Encoding in Scheme
 prefix.plt(1 1)jaymccarthyTests students with regards to the use of prefix notation.
 princess.plt(1 2)mflattSlideshow picts for princesses, castles, thought bubbles, wishing wells, etc.
 prometheus.plt(1 0)2.0daedalusThe Prometheus Object System, a prototype-based object system inspired by Self
 prophecy.plt(1 0)1dhermanA "future-generator" control construct, or "prophecy."
 protobj.plt(1 1)0.3neilProtobj: Prototype-Delegation Object Model in Scheme
 pyramidstack.plt(1 0)jaymccarthyA demo of the Chipmunk and GL APIs
 record-case.plt(1 1)dvanhorn
Record-case, a simple list deconstruction syntax used in the Compiling Scheme Workshop (1996) expository Scheme compiler.
 roman.plt(1 1)0.2amsUtility functions for roman numerals.
 rpg-utils.plt(1 0)1.0murphyStatistical and simulation procedures for pen and paper role playing games.
 sample-teachpacks.plt(1 0)eliSample package that demonstrates installing two teachpacks.
 scribble-paper.plt(2 3)mflatt[no description available]
 scripting.plt(1 1)1.1ryancScripting is a library of procedures useful for writing mzscheme scripts, especially those which execute external commands and manipulate the filesystem.
 session.plt(1 0)0.1bzlib

bzlib/session provides a session store on top of bzlib/dbi, along with setup scripts for dbd-jazmysql, dbd-jsqlite, dbd-spgsql

 SET.plt(1 0)jaymccarthySET
 shp.plt(1 2)0.3bzlib

SHP is a PLT Scheme web framework that allows immediate page change without having to manually refreshing servlets, along with a file path-based web dispatcher so you can have "pretty urls".

It is a PHP/JSP-like web framework for PLT Scheme - think of it as JSP vs Java servlets to PLT web-server's servlets.

Please see http://weblambda.blogspot.com for details and documentations.

 sicp-concurrency.plt(1 2)1.2dyooSICP Concurrency language.
 sicp.plt(1 13)neilSICP Support by PLT Scheme
 simply-scheme.plt(1 2)1.2dyooDefinitions to support programs written for Simply Scheme.
 snake.plt(1 0)dvanhorn
Snake: the snake game, written in Typed Advanced Student.
 soundex.plt(1 3)0.6neilsoundex: Soundex Index Keying in Scheme
 sqlid-helper.plt(1 0)1.0sweeneyA SQL frontend for use with hans's sqlid planet package (uses scheme friendly syntax for select statements)
 sqlite.plt(1 2)1.3soegaardWrite SQL statements as S-expressions.
 sql-table.plt(1 1)0.1dfisherProvides a persistent-table abstraction for SQL-based databases.
 srfi-4-comprehensions.plt(1 1)1.0wmfarrSRFI-42 comprehensions and generators for SRFI-4 vectors
 srfi-9-plus.plt(1 0)0.1neilsrfi-9-plus: Enhanced define-record-type
 srfi-alias.plt(1 3)1.0dyooAliases for the SRFI's
 srfi.plt(2 1)2.1soegaard

SRFI Extensions

This package provides extensions to:

SRFI 42- Eager comprehensions: Extra generators :match, :plt-match, :let-value, :pairs, :do-until, and others

 syntax.plt(1 0)1soegaardPretty printing of expanded syntax. Provides unexpand and pp-syntax.
 tabexpand.plt(1 1)0.3neiltabexpand.scm: Tab Character Expansion in Scheme
 tail.plt(5 0)5dhermanSpecial forms for preserving and destroying tail position.
 template.plt(1 0)0.1bzlib

bzlib/template provides string/file template abstractions. Currently provided a simplified version of inline quoted strings.

 tetris.plt(2 4)dvanhorn
Tetris.
 thread.plt(1 0)0.1bzlib

THREAD provides erlang-style programming constructs for concurrency programming.

 unlib.plt(3 20)3.xuntypedHelpful utilities from Untyped.
 version-case.plt(1 8)1.8dyooversion-case: conditional code based on mzscheme version
 web-page.plt(1 0)1dhermanConvenient syntax for web applications.
 web.plt(2 1)2.1soegaardA mini web framework for module based servlets.
 whiff.plt(1 1)dvanhorn
Whiff: A simple animation of a train on a circular track. The engine will come by and keep you company on a regular basis.
 with-bindings.plt(1 2)jaymccarthyA convenient syntax for servlets.
 wrap-dict.plt(1 0)jaymccarthyA wrapper for dictionaries with limited datatype support
 xhtml.plt(1 2)1dhermanUtilities for generating XHTML content in a servlet.
 xml-pull.plt(1 0)1.0dyoopull-style parsing for very large xml documents.
 xxexpr.plt(1 0)1.0lshiftA library of writing functions for SXML.
 yppdb.plt(2 1)jaymccarthyOrganizes your paper collection.
 zip.plt(2 1)2dhermanA library of utilities for manipulating zip files.