Super fast HTML 5 2D rendering engine that uses webGL with canvas fallback

2D Vector Graphics Engine Powered by a JIT Compiler

Game engine for MoonScript, in MoonScript

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Openframeworks Addon for creating photoshop like 2d artboard

Various Unity3D components for 2D games. WIP

A ES5 declarative canvas Renderer.

Meta is free and fast open source HTML5 game engine for making cross platform games, supports Canvas and WebGL rendering and Dopple for native compilation.

A simple-as-possible 2D physics rigid-body physics engine for Elm.

Need For Kill - Quake 3 in 2d - WebGl game

OpenSCAD2D is a software for creating solid 2D CAD objects.

Программа, считывающяя данные с датчика "есть ли тут что-нибудь", строящая 2D карту

Elephant 2D Game Engine written in c++

A javaScript webApp for creating 2D Maps for Games.

A JavaScript web app for creating 2D maps for games!

2D engine in C#

CrossFailure is a 2D game framework built with OpenFL and Haxe that delivers cross platform games.

procedurally generated 2d shooter