GitHub repository: viphak/campynet
Primary language: C#
Description: Campy.NET ("CLI AMP-like API" is a library for  enabling general purpose GPU computing within  the Microsoft Common Language Infrastructure, such as C#. The Campy.NET API is similar to Microsoft's C++ AMP, implemented as a layer interfacing C++ AMP and generated libraries of your lambda function kernels to CLI languages. The source is free and open source.