Stride (formerly Xenko), a free and open-source cross-platform C# game engine.

Flax Engine – multi-platform 3D game engine

The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.

Desktop runtime for apps built on web technologies, using the system's own web browser engine

TiXL is an open source software to create realtime motion graphics.

Special Effects with Skinned Mesh in Unity

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 e…

Murder is a pixel art ECS game engine.

FNA - Accuracy-focused XNA4 reimplementation for open platforms

Video glitch effects for Unity

Creative coding library for Unity

An Open Source C# 3D Game Engine under MIT license, inspired by Unity and featuring a complete editor

Tooll is a new multi-purpose application for creating interactive 3d content and animations. It combines the best aspects of animation, compositing, and coding into a lightweight and intuitive UI. …

My custom made engine based on the great Raylib Framework. Main focus is being performant and only using draw functions instead of textures.