RonenNess 

UI system for MonoGame projects.

ECS game engine in MonoGame and C#.

Basic scene graph (node-based transformations) for 3D MonoGame projects.

Http framework for C# web apps.

Sprites with bone-like hierarchy Transformations for MonoGame projects.

Extend keyboard and mouse input for MonoGame.

Provide simple reflection API to perform basic actions like setting field from string, getting all class keys, etc.

Boost performance and reduce draw calls by batching multiple sprites together on a grid of render targets.

Easy TCP sockets with message framing for C#