1541 Open source projects that are alternatives of or similar to Celestia

ProjectSend is a free, open source software that lets you share files with your clients, focused on ease of use and privacy. It supports clients groups, system users roles, statistics, multiple languages, detailed logs... and much more!

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The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast math library, giving you everything you need to write your own renderer or game engine. OpenTK can be used standalone or inside a GUI on Windows, Linux, Mac.

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Modern OpenGL bindings for C#.

Go cross-platform OpenGL bindings.

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This component implements transition animation to crumble view into tiny pieces.

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Tools for tracing OpenGL, Direct3D, and other graphics APIs

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Awesome list of Cuban opensource projects. Just to know what is being openly developed in Cuba.

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