Dwgtoolbox - Lisp, VBA, Code, Examples and Drafting Services for the Precast Industry! - http://www.dwgtoolbox.com
The AutoLISP Drawer - Free example AutoLISP routines, plus some explanations and related links. - http://mylisps.20m.com/
The Autolisp and Autocad Page - Offers an autolisp course, autolisp tips and tricks, and routines for download. - http://home-3.tiscali.nl/~bruijcke/
AutoCAD LISP 2000 - Some practical and annotated AutoLISP programming examples and related links in English and Spanish. - http://personales.unican.es/togoresr/
Martin Nigg - A number of free AutoLISP routines and related tips and tricks. - http://members.eunet.at/nigg/
AutoLisp.Net - AutoLISP routines and technical help, where other visitors will answer the questions you posted online. - http://www.autolisp.co.uk/
The LISP Generator - A commercial, interactive, and automatic program generator for AutoCAD's AutoLISP language. - http://www.4front.com/lispgen3/index.html
Better Than Nothing AutoLISP Programs - A collection of free AutoLISP routines, solving typical everyday problems. - http://home.pacifier.com/~nemi/