Frank Norton's starred repositories
PhotoSauce
MagicScaler high-performance, high-quality image processing pipeline for .NET
FluentValidation
A popular .NET validation library for building strongly-typed validation rules.
LightingEngine
A 2D Deferred lights implementation for Monogame
VolatilePhysics
A 2D Physics Library for Networked Games
ImpulseEngine
Simple, open source, 2D impulse based physics engine for educational use. http://gamedev.tutsplus.com/tutorials/implementation/custom-2d-physics-engine-oriented-rigid-bodies
freeCodeCamp
freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.