1. cl-sgdos-csv
    cl-sgdos-csv is a library for mapping CSV files to LISP lists and CLOS objects and viceversa.
  2. cl-shlex
    A simple lexer for shell-like minilanguages
  3. cl-sipc
    Unix domain socket message passing for IPC in Common Lisp
  4. cl-skip-list
    cl-skip-lisp is a lock-free skip list implementation that works with SBCL 1.0.42 and above
  5. cl-slice
    This library was unmaintained for several years
  6. cl-slug
    cl-slug is a small library to make slugs, mainly for URIs, from english and beyond
  7. cl-smoke
    cl-smoke is a SMOKE-based wrapper for the Qt and KDE GUI frameworks
  8. CL-SMTP
    CL-SMTP is an SMTP (RFC 5321) client
  9. cl-smugmug
    cl-smugmug is a Common Lisp interface to the SmugMug web API
  10. CL-SOAP
    CL-SOAP is a open-source (LLGPL) project hosted at https://common-lisp.net/project/cl-soap/ (broken links on this page)