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