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, PortableApps.com, Linux and Mac. The best alternative is HWiNFO (32/64), which is free. Other great apps like OpenGL Extensions Viewer are GPU-Z (Free), hwinfo (Free, Open Source), The OpenGL Hardware Capability Viewer (Free, Open Source) and GPU Caps Viewer (Free).
GPU Caps Viewer is a graphics video card utility that quickly provides the essential information regarding the GPU. • Displays the OpenGL version, texture size, number of texture units, supported extensions and capabilities of your system.