1. Charles Stewart
    Charles Stewart is a logician, which is a sort of Person, and has a page at advogato and a copyediting business
  2. charseq
    This package provides charseq structure which represents an efficient character sequence
  3. check-it
    check-it is a property-based testing tool designed to be used from within other test frameworks
  4. CheckL
    CheckL is less of a test "framework" and more of a quicker, less formal, but more "live" way to write tests, which can easily be formalized into FiveAM tests at a later point
  5. Chemboy
    Chemboy is an application to do basic chemistry calculations
  6. chemical-compounds
    Sometimes you want to be able to parse chemical formulas in a normal, user-friendly syntax
  7. chillax
    Chillax is an interface to CouchDB
  8. chio
    Chio is a String Processing Library for Common Lisp
  9. chipz
    Chipz is a decompression library for decompressing DEFLATE (RFC 1951) data such as ZLIB (RFC 1950), GZIP (RFC 1952), as well as bzip2
  10. Chirp
    Chirp is a twitter client library