AllegAVI
Library for playing AVI files with the Allegro library. Can play video and uncompressed audio. Only for Mingw32 and MSVC.
Allegro.cc
Game developing community network, software directory, and up to date information pertaining to Allegro programming and gaming.
AllegroGL
An add-on library for Allegro which allows applications to use OpenGL for rendering.
AllegTTF
Anti-aliased text output and font loading routines for Allegro.
Allegutl
Utilities related to game development with accent on allegro library.
Gameprog
Tricks, techniques, tutorials, and several open source games to use as examples.
JGMOD
An Allegro add-on library which enables your Allegro programs to play files in the MOD music data format.
Striker
A tile map library written in C for Allegro. Runs under Linux and DOS, possibly Windows. [Open source]
Thunderstrike Games
Several free games made with Allegro and DJGPP. Full source code available for various games.