OpenCTM is a file format and a software library for compressed 3D triangle meshes. The geometry is compressed to a fraction of comparable file formats (3DS, STL, VRML...), and the format is easily accessible through a simple, portable API.

ALURE is a utility library to help manage common tasks with OpenAL applications. This includes device enumeration and initialization, file loading, and streaming. It is LGPL licensed, allowing it to be used in open- and closed-source programs, freeware or commercial.

A patch for OpenAL 0.08 ALSA backend to add decent multi-speaker positional audio.