Common Lisp (CL) is a modern, multi-paradigm, high-performance, compiled, ANSI-standardized, prominent descendant of the long-running family of Lisp programming languages.

The Common Lisp Wiki-book cover.

The CL Hello World program reads as follows:

(format t "Hello World!")

Which outputs:

Hello World!

Table of Contents

  1. First steps — installation and introductory tutorials  
  2. Basic topics — lists, functions and macros  
  3. Advanced topics  
  4. Beyond ANSI Common Lisp — Non-official standards  
  5. External libraries — A sampling of the multitude of Common Lisp libraries  
  6. Implementation Issues — Using Common Lisp programs in your every day work  
  7. Case Studies in CL — A collection of involved examples  
  8. Reference - The language's reference