1. cl-youtube
    cl-youtube is a Common Lisp wrapper to the YouTube API
  2. cl-z
    cl-z is a set of CFFI bindings to the zlib compression library
  3. cl-z85
    ZeroMQ base-85 encoding and decoding
  4. CL-ZEROCONF
    CL-ZEROCONF is a networking library for Lisp that handles Zeroconf service discovery (popularized by Apple's implementation, originally called Rendezvous and renamed to Bonjour for OS X 10.4)
  5. cl-zlib
    CL-ZLIB is a UFFI interface to the zlib compression library
  6. cl-zmq
    cl-zmq is a set of CFFI bindings for ZeroMQ messaging system
  7. cl4py
    The library cl4py (pronounce as clappy) allows Python programs to call Common Lisp libraries
  8. CLACHE
    CLACHE is a general caching library for CL
  9. clack
    Clack is a Web Application Environment for Common Lisp inspired by Python's WSGI and Ruby's Rack
  10. CLAD
    The Common Lisp Application Directories (CLAD) library is a simple API