1. clack
    Clack is a Web Application Environment for Common Lisp inspired by Python's WSGI and Ruby's Rack
  2. CLAD
    The Common Lisp Application Directories (CLAD) library is a simple API
  3. CLAIM
    CLAIM is an implementation of AOL's semi-open Instant Messaging protocol, TOC (see PROTOCOL.txt)
  4. Clamp
    Common Lisp with Arc macros and procedures
  5. Clasp
    Clasp is a Common Lisp implementation that interoperates with C++ and uses LLVM for just-in-time (JIT) compilation to native code
  6. class-options
    class-options provides easy access to the defining class and its options during initialization or reinitialization of its subcomponents
  7. classimp
    common lisp/cffi bindings for Open Asset Import Library
  8. CLAST
    The Common Lisp Abstract Syntax Tree language extension gives you a full blown, environment and macro-aware parser and walker for CL code
  9. clath
    Clath is single sign-on middleware for Clack
  10. clave
    The Common Lisp Audio Video Engine (CLAVE) is a Lisp FFmpeg interface