The Schememonster's Friends  
   A group of computer science students at the Helsinki University of Technology united by the interest in Scheme - and the insight that we should keep the fun in programming.
   http://www.niksula.cs.hut.fi/~candolin/scheme/

The Scheme Underground  
   An effort aimed at developing useful software packages in Scheme for use in research projects and for distribution on the net.
   http://www.ai.mit.edu/projects/su/su.html

Schemers.org  
   A collection of resources for the Scheme language. The place to go to get comprehensive, up-to-date information on all aspects of Scheme: implementations, papers, and code. Maintained by the Rice Programming Languages Team, the folks behind MzScheme and D
   http://www.schemers.org/

Schemers, Inc.  
   Publishes and carries excellent educational materials, including books, using the Scheme programming language. Has Windows and Macintosh Scheme interpreters and a Scheme-driven state-of-the-art solid modeler.
   http://www.schemers.com/

MIT Project MAC (Switzerland) Archive  
   The MIT Project on Mathematics and Computation (Switzerland) has a public FTP archive with Scheme implementations, programs, and curiosities.
   ftp://swissnet.ai.mit.edu/pub

Reports on the Algorithmic Language Scheme  
   Specifications for the programming language Scheme.
   http://swissnet.ai.mit.edu/~jaffer/Scheme.html

Indiana University's Internet Scheme Repository  
   The definitive resource for Scheme on the net. Contains a large catalog of implementations, useful source code, and documents, many of which you won't find anywhere else.
   http://www.cs.indiana.edu/scheme-repository/SRhome.html

Online Bibliography of Scheme Research  
   This site contains a large (and growing) bibliography of articles, theses, and technical reports related to the Scheme language. Where an online version of the paper is available, a link is provided.
   http://library.readscheme.org/

The Scheme Programming Language  
   Main page at MIT, Scheme's birthplace; short list of implementations, some general documentation, information on the MIT Scheme implementation, some random links.
   http://www.swiss.ai.mit.edu/projects/scheme/

The Scheme Programming Language, Second Edition  
   Of R. Kent Dybvig's reference manual. Describes R5RS Scheme in a style similar to K&R [Online fulltext version].
   http://www.scheme.com/tspl2d/

Hello, World program  
   The Scheme version of the canonical first program.
   http://www2.latech.edu/~acm/helloworld/scheme.html

RRRS-Authors Mailing List Archive  
   An archive of the mailing list of the authors of the RnRS, from 1984 to 1998.
   http://swissnet.ai.mit.edu/projects/scheme/rrrs-archive.html

The comp.lang.scheme FAQ  
   Usenet discussion group FAQ archive.
   http://www.faqs.org/faqs/by-newsgroup/comp/comp.lang.scheme.html

CMU Scheme Repository  
   Part of the greater CMU AI Repository. Has a large overlap with the Indiana repository.
   http://www-2.cs.cmu.edu/afs/cs.cmu.edu/project/ai-repository/ai/lang/scheme/0.html

Scheme Meetup Day  
   Meetup with other local programmers interested in Lisp, Scheme and other functional programming languages.
   http://scheme.meetup.com/