OpenGL Extensions Viewer is described as 'A software program which displays information about the current OpenGL 3D accelerator and new Vulkan 3D API. This program displays the vendor name, the version implemented, the renderer name and the extensions of the current OpenGL 3D accelerator' and is an app in the os & utilities category. There are five alternatives to OpenGL Extensions Viewer for Windows, Linux, PortableApps.com and Mac. The best OpenGL Extensions Viewer alternative is HWiNFO (32/64). It's not free, so if you're looking for a free alternative, you could try HWiNFO (32/64) or GPU-Z. Other great apps like OpenGL Extensions Viewer are GPU Caps Viewer and The OpenGL Hardware Capability Viewer.