Prologin The french national contest in computer science. 99 Bottles of beer the same program that generates the song, in different programming languages. Hundreds versions are available (I wrote two of them). Generation 5 several nice articles about AI technologies. Free Programming E-Books many programming books in several programming languages. Quite nice, even if the best languages (F#, OCaml, Haskell, Sed... ) are missing. COCAN - The OCaml Alliance Network a wiki for one of my favourite languages. You'll find other links for OCaml there. Jave Java Ascii Versatile Editor. The best tool ever to draw ascii-arts. Sedsed A very nice tool for sed. Includes a sed debugger, a sed to HTML converter and other useful features.