1. rpc4cl
    Yet another XML-RPC implementation for CL
  2. rpm
    rpm is a library that allows you to manipulate RPM packages from CL
  3. RSS
    alimenta is a RSS/Atom parsing and generating library
  4. RSSParser
    A Web-to-RSS parser in Common Lisp
  5. rt
    rt is a 1990 regression testing library that is used by some older software
  6. rtch
    rtch is a Development tool and hackbrary which facilitates organizing tests in the RT test framework in a directory hierarchy
  7. rtm-lisp-api
    rtm-lisp-api is a Common Lisp interface to the Remember The Milk API, a web API which enables managing the tasks of a given user
  8. rtorrent-controller
    rtorrent-controller is an application to control rTorrent
  9. Ruby-objects
    Ruby objects for Common Lisp
  10. Rucksack
    Rucksack is a persistence (embedded database) library for Common Lisp