OpenTK 1.1.2225

The Open Toolkit library (OpenTK) is an advanced, low-level C# wrapper for OpenGL, OpenGL ES and OpenAL.
It is suitable for games, scientific visualizations and projects that require 3d graphics, audio or compute functionality.

- Create cutting-edge graphics with OpenGL 4.4 and OpenGL ES 3.0
- Integrate 3d graphics into your Windows.Forms, WPF or GTK# applications
- Write once run everywhere: Windows, Mac OS X, Linux, Android and iOS
- Use the .Net/Mono language of your choice: C#, F#, VB.Net, Boo, IronPython, IronRuby
- Develop faster with inline documentation and strongly-typed enumerations for all OpenGL and OpenAL functions

This is the official nuget package from
The source code can be found at
This package contains all code up to Feb 2016 from

There is a newer version of this package available.
See the version list below for details.
Install-Package OpenTK -Version 1.1.2225
dotnet add package OpenTK --version 1.1.2225
<PackageReference Include="OpenTK" Version="1.1.2225" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add OpenTK --version 1.1.2225
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes


This package has no dependencies.

NuGet packages (93)

Showing the top 5 NuGet packages that depend on OpenTK:

Package Downloads
The Open Toolkit is set of fast, low-level C# bindings for OpenGL, OpenGL ES and OpenAL. It runs on all major platforms and powers hundreds of apps, games and scientific research. OpenTK provides several utility libraries, including a math/linear algebra package, a windowing system, and input handling.
Xamarin Forms Renderer to build native UIs for WPF
Emgu CV is a cross platform .Net wrapper to the OpenCV image processing library. Allowing OpenCV functions to be called from .NET compatible languages such as C#, VB, VC++, IronPython etc. The wrapper can be compiled in Mono and run on Windows, Linux, Mac OS X, iPhone, iPad and Android devices.
Xamarin Forms Renderer to build native UIs for GTK
SkiaSharp Views & Layers are a set of platform-specific views and containers that can be used to draw on the screen.

GitHub repositories (43)

Showing the top 5 popular GitHub repositories that depend on OpenTK:

Repository Stars
Xamarin.Forms Official Home
AssetStudio is a tool for exploring, extracting and exporting assets and assetbundles.
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.

Version History

Version Downloads Last updated
4.0.0-pre9.10 0 10/1/2020
4.0.0-pre9.9 0 9/30/2020
4.0.0-pre9.8 13 9/29/2020
4.0.0-pre9.7 275 9/20/2020
4.0.0-pre9.6 177 9/14/2020
4.0.0-pre9.4 477 8/30/2020
4.0.0-pre9.3 257 8/21/2020
4.0.0-pre9.2 487 7/28/2020
4.0.0-pre9.1 3,419 4/24/2020
4.0.0-pre9 415 4/19/2020
4.0.0-pre8 208 4/18/2020
4.0.0-pre7 287 4/13/2020
4.0.0-pre6 263 4/10/2020
4.0.0-pre5 237 4/9/2020
4.0.0-pre4 289 4/6/2020
4.0.0-pre3 527 3/19/2020
4.0.0-pre2 148 3/19/2020
4.0.0-pre 191 3/19/2020
3.2.0 31,132 4/6/2020
3.1.0 101,440 8/4/2019
3.0.1 281,566 7/6/2018
3.0.0 27,887 5/1/2018
3.0.0-pre 17,520 5/8/2017
2.0.0 186,996 9/23/2016
1.1.2349.61993 47,247 6/7/2016
1.1.2225 123,556 2/4/2016
1.1.1589.5942 80,394 7/18/2014
1.1.1589.5941 51,601 5/9/2014
1.1.1579.5793 1,192 4/29/2014
1.1.1508.5724 4,007 2/17/2014
1.1.1456.5398 2,820 12/27/2013
1.1.1161.61462 2,227 8/28/2013
1.1.1160.61462 3,073 3/7/2013
Show less