OpenTK

OpenTK, also known as The Open Toolkit library, is a C# graphics library superseding the Tao Framework.^[1] It provides access to graphics tools contained in OpenGL, OpenCL, and OpenAL to a variety of CLR-based languages (C#, F#, etc.).^[2] Particularly, it is usable with any language utilizing either of the .NET Framework or Mono frameworks^[3] for versions prior to 4.0 and .NET Core 3.1 and up, continuing with .NET 5, for major version 4. In the upcoming version 5 previews Vulkan is also supported.

OpenTK

Original author(s)	Stefanos Apostolopoulos
Stable release	4.9.4 / March 17, 2025; 14 days ago (2025-03-17)
Repository	github.com/opentk/opentk
Written in	C#
Type	Software library
License	MIT License
Website	opentk.net