Association of Lisp Users: ALU
- Well organized, over 100 pages of information on Lisp: references, books, tutorials, free and commercial implementations, free software, events, conferences, history, organizations, other resources.
Arto Bendiken - Personal Weblog of Lisp programmer, original writings, speculations, code.
CMU Artificial Intelligence Repository - Collection of files, programs, publications, of interest to Artificial Intelligence researchers, educators, students, practitioners.
The Common Lisp Directory - Collects all possible resources for the CL language: libraries, tools, software, documents, events, groups, organizations, people.
Common-Lisp.net - CL development resources, good start point for new programmers. Free: CVS, mail lists, web and FTP space.
Franz Inc. - Producers of Allegro CL and related products
History of Lisp - Source code, design documents, references, other material on original Lisp I/1.5 system, and many follow-ons. Project of Computer History Museum's Software Collection Committee.
Jeff's Lisp Page - Related links about Lisp, papers, book reviews, programs, Net articles, from a variety of sources.
Kent Pitman's Public Page - Publications, postings (mostly Lisp related); political thoughts, links.
Lemonodor - Weblog featuring Lisp news, events, and commentary.
Lisp - Paul Graham Lisp essays (including Beating the Averages), history, FAQ, code, many links.
Online Publications by Erann Gat - Lisp papers: Lisp as an Alternative to Java; Complete Idiot's Guides to: Special Variables and Lexical Closures, CL Packages; Locales: First-Class Lexical Environments for CL; robotics papers.
PC AI: Lisp Programming Language - Page with brief description, very useful links with annotations for vendors, search engines, more: references (linked and non-linked) for articles, books.