1. flexoplan
    Simple planner, TODO list and would-be ticket-system, written in CL
  2. float-features
    float-features is a portability library for IEEE float features that are not covered by the CL standard
  3. floating-point
    Floating-point is a Common Lisp library with functions for calculating
  4. floating-point-contractions
    Numerically stable, contracted versions of floating-point operations
  5. flood
    Comfortable, powerful and tiny logging library for common lisp
  6. floyd-warshall
    floyd-warshall is a (very) preliminary library for Floyd-Warshall all-pairs shortest-path algorithm computations on weighted directed Graphs, written by Robert Goldman
  7. Foil
    Foil (Foreign Object Interface for Lisp) consists of a protocol and a set of libraries that facilitate access to popular object runtimes, such as the JVM (Java) and the CLI/CLR (.NET), and their libraries, from Lisp
  8. folio
    [superseded by folio2] A set of modules that make some functional programming idioms more convenient for use in Common Lisp
  9. folio2
    A collection of small libraries: functional idioms and data structures in Common Lisp and a common set of APIs for them
  10. Fons Haffmans
    Fons Haffmans is a Person, or at least I think I am