Lisp

The home of Scheme, of course, is at <http://www.swiss.ai.mit.edu>

There's lots of Scheme resources at <http://www.schemers.org>

Guile is a GNU Scheme implementation intended to be extended. Development versions of Guile are available at <http://www.glug.org> and test releases at <ftp://alpha.gnu.org/gnu/guile/>

• Pascal Costanza's Highly Opinionated Guide to Lisp
• LAML: Lisp Abstracted Markup Language. `The main idea behind LAML is to bring HTML into the domain of the Scheme programming language'. This looks fun!. Also: XML and Scheme: `SXML is an instance of XML Infoset as S-expressions'.
• Elisp: Google category. gnu.org, indiana.edu
• Scheme Shell