A powerful, multi-paradigm Lisp known for its flexibility and metaprogramming.
Clozure CL (often called CCL for short) is a free Common Lisp implementation.
A commercial implementation of Common Lisp with an IDE, powerful debugging tools, and a wide range of libraries.
Portacle is a complete IDE for Common Lisp that you can take with you on a USB stick.
Steel Bank Common Lisp (SBCL) is a high performance Common Lisp compiler.
A well-regarded beginner's book for those new to Common Lisp.
A free, online book that is widely recommended for beginners to learn Common Lisp. It covers key topics from basic to advanced.
The goal of the website is to provide the Common Lisp community with development resources and to work as a starting point for new programmers.
Planet Lisp is a meta blog that collects the contents of various Lisp-related blogs.