1281. Felip
      Hello, I'm Felip
1282. FEMLISP
      FEMLISP is a Mathematics Application which solves partial differential equations with the help of the finite element method (FEM)
1283. fern
      An efficient, consp, self-adjusting key-value trie-index abstraction for uuid namespaces
1284. ffa
      Foreign friendly arrays for Common Lisp
1285. ffi
      FFI is short for Foreign Function Interface, which is useful for linking to arbitrary C (and not only) libraries from Lisp code
1286. ffigen
      FFIGEN (Foreign Function Interface GENerator) is a program suite that facilitates the writing of translators from C header files to foreign function interfaces for particular language implementations. -- FFIGEN Home Page
1287. FFT
      A Common Lisp library to do Fast Fourier Transform on a multi-dimensional array of numbers
1288. Fibonacci
      The Fibonacci sequence of numbers was described in a mathematics book by Leonardo da Pisa (Fibonacci) called Liber Abaci
1289. file format
      This is a page collecting libraries to handle different file formats
1290. file-position on non-files
      Here's a can of worms

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