Embedded Devices
Klimt, miniGL, OpenGL ES, ps2gl, TinyGL, Vincent 3-D Rendering Library for Mobile Devices
Language Bindings
Berlin, Doris, JOGL API Project, LWJGL - Lightweight Java Game Library, OpenGL for C#, OpenGL for Java, PyOpenGL
PC or Workstation OS
NVIDIA OpenGL Specs, OpenGL for 3Dlabs Graphics Hardware, OpenGL for Acorn RISC OS, OpenGL for Apple MacOS, OpenGL for ATI Graphics Hardware, OpenGL for NVIDIA Graphics Hardware, OpenGL for SUN SPARC Solaris OS, OpenGL for Windows by Microsoft, OpenGL for Windows by Silicon Graphics
OpenGL platform and OS implementations
OpenGL.org links to PC and workstation OS implementations (Microsoft Windows, Apple Mac OS, X window system, Linux), language bindings (java, fortran, perl, pike, python, ada), embedded devices implementations (cell phones, game consoles, avionics), and Mesa 3D cross platform OpenGL implementation
OpenGL Sample Implementation
SGI open-source OpenGL sample implementation.
OpenML - Open Media Library
Free, cross-platform programming environment for capturing, transporting, processing, displaying, and synchronizing digital media. Extensions to OpenGL, display control, device control and asynchronous communication between applications and hardware, and synchronization of media streams
Realtech DirectX OpenGL Wrapper
DirectX OpenGL Wrapper emulates API calls thru OpenGL commands and other platform specific commands in order to run DirectX 8 application running on other platform than Windows
SciTech MGL
Open-source multi-latform interactive graphics library