OpenGL Software Development Kit

The Unofficial OpenGL SDK is a collection of utility libraries designed to make it easy to learn the exciting world of 3D programming with the OpenGL library. This project is not associated with The Khronos Group.

Today’s small-to-medium-sized (SMB) businesses and large enterprises are saving on their monthly communications costs by making one simple decision: to switch to a VoIP service solution from their old, outdated Plain Old Telephone Service (POTS). By choosing a new VoIP service, these companies enjoy the flexibility, reliability, call features, and audio quality that only a VoIP service can provide. Plus, they cut their phone bill by up to 70%!