OpenGL API Documentation
docs.gl is an improvement of the official OpenGL documentation. It was written by Jorge Rodríguez. GLSL support was contributed by Sohail Ajmal. Additional site design improvements were contributed by Felix Kaaman. This instance is maintained by Steven Noonan. Each reference page is under individual copyright listed in that entry, all other content is in the public domain. docs.gl is completely unaffiliated with OpenGL and Khronos.
Anyone can contribute to docs.gl to improve the OpenGL documentation. The source code to docs.gl is available on GitHub. Pull requests and suggestions are welcome.