1. cl-yaclyaml
    Yet Another Common Lisp YAML processor
  2. cl-yahoo
    CL-YAHOO is a Common Lisp interface to the Yahoo! API, a web API which enables searching the web through yahoo
  3. cl-yaml
    A YAML parser and emitter built on top of libyaml
  4. cl-youtube
    cl-youtube is a Common Lisp wrapper to the YouTube API
  5. cl-z
    cl-z is a set of CFFI bindings to the zlib compression library
  6. cl-z85
    ZeroMQ base-85 encoding and decoding
  7. 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)
  8. cl-zlib
    CL-ZLIB is a UFFI interface to the zlib compression library
  9. cl-zmq
    cl-zmq is a set of CFFI bindings for ZeroMQ messaging system
  10. cl4py
    The library cl4py (pronounce as clappy) allows Python programs to call Common Lisp libraries