1. CLDOC
    CLDOC reads lisp source files and generates documentation using the selected output driver
  2. CLEE
    Unmaintained libevent bindings
  3. clem
    A library for representing and performing various operations on matrices
  4. CLERIC
    CLERIC (Common Lisp Erlang Interface) is an implementation of the Erlang distribution protocol, comparable with erl_interface and jinterface
  5. clerk
    Clerk is a cron-like scheduler for tasks to execute at given intervals
  6. clesh
    Clesh is a library that makes it possible to embed
  7. Cletris
    Cletris is a Tetris-like Game
  8. cleven
    Cleven is an experimental game engine with volume graphics written in Common Lisp
  9. 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
  10. clfswm
    CLFSWM is a 100% Common Lisp X11 window manager (based on Tinywm and Stumpwm