The Windows Extension (WE) is an encapsulation of Windows API. The distinct features of WE are: 1. C++ interface; 2. simple interface for common usage, but advanced usage; 3. low coupling degree; 4. no framework, no pattern.
WOSH is a multi-platform message-oriented middleware written in ANSI C++. Service oriented architecture, designed for network distributed computing. Already working: Audio multimedia, X10, remote control (WinMobile, GTalk) and much more..
PIEngine is a general purpose 3D game engine designed to be an easy to use framework for game developers. It glues together OGRE, ODE, OIS and some other common parts of an engine.