1. CLERIC
    CLERIC (Common Lisp Erlang Interface) is an implementation of the Erlang distribution protocol, comparable with erl_interface and jinterface
  2. clerk
    Clerk is a cron-like scheduler for tasks to execute at given intervals
  3. clesh
    Clesh is a library that makes it possible to embed
  4. Cletris
    Cletris is a Tetris-like Game
  5. cleven
    Cleven is an experimental game engine with volume graphics written in Common Lisp
  6. CLEWS
    Common Lisp Educational Web Server (CLEWS) is a platform for developing educational web applications, providing systems for peer-review assessments, discussion assessments, adaptive tutorials and course management
  7. clfswm
    CLFSWM is a 100% Common Lisp X11 window manager (based on Tinywm and Stumpwm
  8. clg
    Espen Johnsen's GTK bindings for CMUCL, SBCL and CLISP
  9. clhp
    CLHP is the Common Lisp Hypertext Preprocessor - a Web programming language
  10. CLHS
    The Common Lisp HyperSpec (CLHS) is a non-free hyperlinked version of the ANSI Common Lisp Standard