In short, OOC is an Internet based project providing an Oberon-2 development platform. It consists of * an optimizing compiler, * a number of source code and compiler related tools, * a set of standard library modules, and * a reference manual. oo2c is the first complete working compiler of the OOC project. Instead of translating Oberon-2 modules to machine code, it generates code for the most portable assembler in existence: ANSI-C. The compiler was initially intended as a prototype backend for OOC, which could then be used to evaluate and debug the frontend and the optimization modules. However, it is now a full-fledged development system, and among other things, it is being used to develop native code OOC backends.