Duality is a plugin based 2D game development framework based on C# and OpenTK. To get a quick overview, please visit the project page.
Besides the github project overview and documentation, there is also a developer blog. If you want to contribute to the project, be it by active development, documentation or testing, you should pay a visit to the community forums. The same applies to any questions or suggestions - feedback is always welcome! However, bugs and feature requests that do not require further discussion should be filed in the issue tracking system, directly here on github.
Latest binary release: http://dualitybin.adamslair.net/
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