Freeware: Alphablending

Power Source Screensaver 1.0Fantastic 3D OpenGl screensaver. Are You Looking for alternative Power Source... Look at this. Complex morfing geometry combined with particle system. Alphablending effects and crazy rotation. GeForce2 and 1280x1024 recommended.

WMGL (Windows Mobile Graphics Library) 1.1Developed for Windows Mobile devices, WMGL provides easy-to-use interfaces for fast alpha blending and various 3D effects. C++ or .NET C# project compatible. Various "3D" Effects, Fast Alpha Blending, Transparent PNG, Filtering, Bordered blitting.