Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
An efficient voxel framework for Unity3d
Various Unity3D components for 2D games. WIP
An extension for Unity3d to place AdMob banners in your Android games.
C# REPL tool for Unity3D built on Miguel's tool.
Image filter for Unity3D (Pro-only) to help preview what your game will look like to people suffering from color blindness.