contains file format information on hundreds of different file types and all sorts of other useful programming information; algorithms, source code, specifications, etc.
tries to cover every single aspect of tracking, every single tracker, and every single machine available ever. It's intended to become the most comprehensive guide to tracking ever made, and a one-stop source of help for every level of tracker out there.
a general purpose library and file format for storing scientific data. It arranges data into datasets (multidimensional arrays) and groups (a structure for organizing objects). With extra software support like a viewer, etc...