The Ruby 2D gem
State-of-the-art 2D and 3D Face Analysis Project
Free, cross-platform 2D game engine powered by Haxe and OpenFL
CADCraft: computer-aided design and drafting
An open-source full-featured 2D animation creation software
Classic 2D side-scrolling platformer game
Interactive data visualizations and plotting in Julia
Cross-platform 2D game engine focused on ultimate productivity
Pymunk is a easy-to-use pythonic 2d physics library
Powerful and versatile motion graphics application
A GPU-rendered terminal emulator with inline 3D graphics
Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations
LayaAir is an open-source 2D/3D engine
Agent Skill for generating 2D sprite sheets and map, transparent PNG
Juggling Lab juggling animator
Simple drawings using vector graphics; Cairo "for tourists!"
2D JavaScript Physics Engine
Cross-platform 2D and 3D game engine with modular architecture
A game engine powered by python and panda3d
A dead simple 2D game engine for Go
A standalone, large scale, open project for 2D/3D image processing
SkiaSharp is a cross-platform 2D graphics API for .NET platforms
Open source library for N64 development
Create 3D web applications with HTML, bring a new depth to your DOM
Phaser is a free and fast 2D game framework for making HTML5 games