https://github.com/opentk/opentk

Version: OpenTK.Graphics 4.9.4, OpenTK.Audio.OpenAL 4.9.4, OpenTK.Core 4.9.4, OpenTK.Mathematics 4.9.4 (NuGet, netstandard2.1)

Files:
OpenTK.Graphics.dll
OpenTK.Audio.OpenAL.dll
OpenTK.Core.dll
OpenTK.Mathematics.dll