http://planet.racket-lang.org/The newest packages available from PLaneTen-usA library of purely functional data structures in Typed Racket. Data structures in the library are based on Chris Okasaki's book Purely Functional Data Structures, work by Phil Bagwell and others<ul><li>More utility functions for each data structure</li></ul>http://planet.racket-lang.org/display.ss?package=pfds.plt&owner=krhariManage tray of Microsoft windowshttp://planet.racket-lang.org/display.ss?package=Tray.plt&owner=Dima_http://planet.racket-lang.org/display.ss?package=scribble-paper.plt&owner=mflattHelpful utilities from Untyped.<p>Changes and additions:</p><ul><li>added <tt>enum-lambda</tt> to <tt>enumeration.ss</tt>;</li><li>added <em>"let loop"</em> form to <tt>let/debug</tt>;</li><li>added <tt>date.ss</tt>, which wraps <tt>bzlib/date.plt</tt> and <tt>bzlib/date-tz.plt</tt> to provide a set of time-zone- / daylight-saving-aware date functions.</li></ul>http://planet.racket-lang.org/display.ss?package=unlib.plt&owner=untypedhttp://planet.racket-lang.org/display.ss?package=memcached.plt&owner=jaymccarthy<pre>'("Beanstalkd client." "http://kr.github.com/beanstalkd/")</pre>http://planet.racket-lang.org/display.ss?package=beanscheme.plt&owner=ocorcollA file alteration monitor (using either FAM/Gamin or a pure scheme implementation)Update to PLT 4.2. No interface changes.http://planet.racket-lang.org/display.ss?package=mzfam.plt&owner=jao<pre> A simple text formatter</pre>http://planet.racket-lang.org/display.ss?package=planet-fmt.plt&owner=joskootFixed up the packagehttp://planet.racket-lang.org/display.ss?package=allegro.plt&owner=kazzmirThis 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.<p>Initial creation of package.</p>http://planet.racket-lang.org/display.ss?package=qlambda.plt&owner=zitterbewegung