1. cl-irc
    cl-irc is an IRC library written in Common Lisp
  2. cl-irregsexp
    A fast regular expression library with a lispy alternative to traditional syntax for text matching
  3. CL-ISBN
    CL-ISBN is a data format library for parsing, validating, and hyphenating International Standard Book Numbers (ISBNs)
  4. cl-iso3166
    cl-iso3166 is a country units library providing data from ISO 3166 : Codes for the representation of names of countries and their subdivisions
  5. cl-iso4217
    cl-iso4217 is a currency units library providing data from ISO 4217 : Codes for the representation of currencies and funds
  6. cl-itertools
    Write iterators in CL in a way close to Python ones
  7. cl-iup
    cl-iup is a binding for the IUP GUI library
  8. CL-JavaScript
    CL-JavaScript is a JavaScript programming language compiler for Common Lisp
  9. cl-jointgen
    CL-JOINTGEN is a Common Lisp implementation of the Joint Generation Algorithm for computing the dual of a monotone boolean function
  10. cl-jpeg
    CL-JPEG (Common Lisp JPEG Library) can compress and decompress raster-images to/from the JPEG image file format