1. cl-crc64
    cl-crc64 implements 64 bit cyclic redundancy checks in Common Lisp
  2. cl-creditcard
    cl-creditcard & cl-authorize-net: A common lisp library to enable processing credit card payments
  3. cl-cron
    cl-cron is a simple cron like library that allows you to set up cron-like jobs and run them at predetermined times
  4. cl-css
    cl-css is a minimalist CSS generator for Common Lisp
  5. CL-CSV
    CL-CSV is a library to parse and write csv (comma-separated-values) files
  6. CL-CTRNN
    CL-CTRNN is a Common Lisp library for the simulation of Continuous-Time Recurrent Neural Networks (CTRNNs)
  7. cl-cuda
    Cl-cuda is a library to use Nvidia CUDA in Common Lisp programs
  8. cl-cudd
    CL-CUDD is a swig/cffi wrapper around the University of Colorado Decision Diagram library CUDD-2.4.2
  9. cl-curl
    Cl-curl is a set of Lisp binding to the C libcurl HTTP client library, a multiprotocol file transfer library
  10. cl-curlex
    Leak *LEXENV*, which describes lexical environment, into the runtime