awesome-gamedev

Game dev toolkit

A curated collection of resources for game development, including software tools, assets, and communities.

A collection of free software and free culture resources for making amazing games. (mirror)

GitHub

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last commit: over 4 years ago
Linked from 2 awesome lists


Awesome Gamedev / Assorted Assets

Openclipart A giant collection of clip art.
OpenGameArt.org A large collection of art intended for game development. Various licenses, including free ones
Wikimedia Commons A collection of various assets of all kinds. Various licenses, all CC or free-er
Open Source Game Clones A collection of open source videogames that are clones of old games

Awesome Gamedev / Audio / Editors

Ardour The digital audio workstation. or later
Audacity Software for recording and editing sounds. or later
Beast Music composition and modular synthesis software. or later
Hydrogen An advanced drum machine, with a free drum kit included. or later
LMMS A digital audio workstation. or later
MilkyTracker Multi-platform application for creating .mod and .xm module files. or later
Musagi A large and sophisticated music editor.
rFXGen 434 about 1 month ago a tool to generate sound waves procedurally

Awesome Gamedev / Audio / General

GameSounds.xyz Royalty free music and sounds. Various licenses, including free ones
Musical Artifacts A collection of music-related everything. Various licenses, all CC

Awesome Gamedev / Audio / Music

CC0 Music A collection of music.
ccMixter A site for collaborating with musicians. Various licenses, all CC
Creative Commons on Bandcamp Everything on Bandcamp under a CC-license. Various licenses, all CC
Creative Commons on SoundCloud A Creative Commons collection on SoundCloud. Various licenses, all CC
Free Music Archive An archive of free music. Various licenses, all CC
Incompetech An artist providing royalty free music of all genres.
Jamendo A site providing music licensed under the Creatives Commons. Various licenses, all CC
LibreFM A big collection of stations, with fully-free music. Licenses allow downloads and reuse
Musopen A site dedicated to copyright-free (and culturally free) music. Various licenses, all copyright-free (varies by piece)
Open Music Archive Digitized out-of-copyright sound recordings. Public domain in the UK
Silverman Sound Studios' Music Tracks A bunch of musical tracks.

Awesome Gamedev / Audio / Sound Effects

Audioaugust 25 over 6 years ago A collection of sound effects, originally used for a game.
Freesound.org A collection of CC-licensed sound effects. Various licenses, all CC
jsfxr 248 over 1 year ago A tool like sfxr-sdl but in ECMAScript.
Opsound A collection of assorted sounds.
sfxr-sdl A tool to generate sounds.
SoundBible's Royalty-free section A collection of CC or public-domain-licensed sounds. Various licenses, all CC or public domain

Awesome Gamedev / Communities

/r/freeculture Part of the Free Culture Reddit Community. A general free-culture-focused community
/r/FreeGaming Part of the Free Culture Reddit Community. Designed specifically for discussion of free culture games
/r/freesoftware A general free-software-focused community
/r/godot A community for discussion and support in development with the Godot game engine
FreeGameDev Forums A forum community for all things free-game-development-related
FreeGaming A community dedicated to free gaming
Libregamewiki The free gaming encyclopedia

Awesome Gamedev / Engines / General

AGS 707 3 days ago Implemented in C++. Scripted using its own scripting language. Designed for adventure games.
AlephOne Implemented in C++. Designed for FPS games. or later
AnKi 3D Implemented in C++.
Arianne Implemented in Java. Includes a multiplayer game framework. only
Azul3D Implemented in Go.
Backbone 199 over 8 years ago Implemented in ECMAScript.
BananaBread 1,380 over 2 years ago Implemented in ECMAScript. A port of Sauerbrauten.
Castle Game Engine Implemented in ObjectPascal. or later
Chili Source 159 7 months ago Implemented in C++.
Cocos2d Implemented in Python.
Cocos2d-android 609 about 12 years ago Implemented in Java.
Cocos2d-X Implemented in C++. Has ECMAScript, Lua and C++ scripting.
DarkPlaces Implemented in C. or later
delta3d Implemented in C++. Also useful for simulations. or later
Doomsday Implemented in C++. or later
Duality Implemented in C#.
EasyRPG Implemented in C++. Designed for JRPG-style games. or later
ENIGMA Implemented in C++. Has its own scripting language and . or later
FIFE Implemented in C++. Has Python scripting. Designed for isometric games. or later
Fillwave Implemented in C++. Has an easy graphics API.
Flambe 744 over 3 years ago Implemented in Haxe. Designed for 2D games.
FLARE 32 about 6 years ago Implemented in C++. Designed for action RPGs. or later
Fluxus Implemented in C++. Designed for livecoding worlds. or later
gamekit 250 over 9 years ago Implemented in C++. Scripted using C++, Lua or logic blocks.
GamePlay 4,499 10 months ago Implemented in C++.
GDevelop Implemented in C++. Targeted at non-programmers. (IDE is only.)
GNU FreeDink Implemented in C++. or later
Godot Implemented in C++. Has .
Gosu Implemented in C++. has a Ruby interface.
Helm Implemented in Haskell.
HERITAGE Implemented in ECMAScript. Designed for text adventure games. or later
Horde3D Implemented in C++.
ioquake3 2,416 about 1 month ago Implemented in C. A fork of the Quake III Arena engine. or later
Irrlicht Implemented in C++. Has a .
JMonkey Implemented in Java.
KivEnt Implemented in Python.
LambdaHack 624 8 months ago Implemented in Haskell, Designed for roguelikes.
litiengine 739 9 days ago Implemented in Java, Designed for 2D games
lycheejs Implemented in ECMAScript. Designed for construction of HTML5 or native SDL games.
Maratis Implemented in C++. Has Lua for scripting. or later
Moai Implemented in C++. Has Lua for scripting.
OctaForge Implemented in C++. Has LuaJIT for scripting. Fork of Sauerbraten.
Ogre3D Implemented in C++. Has a .
Orx Implented in C.
Oxygine Implemented in C++.
Panda3D Implemented in C++. Has a Python interface.
PlayN Implemented in Java.
Processing Implemented in Java. Has its own scripting language. only
Processing.js Implemented in ECMAScript. Has its own scripting language.
qfusion 65 14 days ago Implemented in C++. Designed for FPS games. or later
Ren'Py Implemented in Python. Designed for visual novels. , with some parts under only
SGE Implemented in Python. Designed for 2-D games
SLUDGE Implemented in C++. Has its own scripting language. only with the GTK Dev Kit or later
Sly Implemented in Guile. Uses functional reactive programming. or later
Solarus Implemented in C++. Comes with its own editor. Designed for RPGs. or later
Spearmint 240 about 2 months ago Implemented in C. Designed for FPS games. or later
Spring Implemented in C++. Designed for RTS games. or later
Torque2D Implemented in C++. Has .
Torque3D Implemented in C++. Has .
Turbulenz 4,581 over 1 year ago Implemented in ECMAScript.
Urho3D Implemented in C++. Scripted using AngelScript or Lua.
voxeliq 163 almost 5 years ago Implemented in C#. Designed for voxel world games.

Awesome Gamedev / Engines / HTML5

Akihabara 197 almost 12 years ago Designed for 8-bit and 16-bit games.
Babylon.js 23,270 8 days ago
Cocos2d-html5 3,065 11 months ago
Coffee2D 30 over 9 years ago Implemented in CoffeeScript.
Crafty.js
Cube 42 over 11 years ago Designed for voxel games.
kiwi.js 1,406 almost 2 years ago
melonJS
panda.js 739 over 4 years ago
Phaser
PlayCanvas
PuzzleScript
Superpowers

Awesome Gamedev / Engines / Physics

ammo.js 4,183 10 months ago Implemented in ECMAScript. A port of Bullet.
Box2D Implemented in C++. Designed to simulate rigid body physics.
Bullet Implemented in C++. General physics engine.
LiquidFun LiquidFun is a 2D rigid-body and fluid simulation C++ library for games based upon Box2D.
Matter.js Implemented in ECMAScript. Physics engine for HTML5.
ODE Open Dynamics Engine; implemented in C++. Designed to simulate rigid body dynamics.
Oimo.js 3,068 over 3 years ago Implemented in ECMAScript.
Physics.js 3,609 over 5 years ago Implemented in ECMAScript.

Awesome Gamedev / Math

Hypatia 83 over 2 years ago A pure-C math library for 2D/3D graphics (matrix, vector, quaternion) Seeks to be close to C89/C90 compliant for portability.

Awesome Gamedev / Fonts

Google Fonts A collection of freely-licensed fonts.
Open Font Library A collection of freely licensed fonts.
ParaType Public Fonts for Minority Languages of Russia Three freely-licensed fonts with support for many character sets.
The League of Moveable Type A collection of fonts with high standards.

Awesome Gamedev / Games / C

2048-cli 246 10 months ago A CLI version of 2048. (code), no significant assets
2048-in-terminal 149 over 1 year ago A CLI version of 2048. (code), no significant assets
Craft 10,448 8 months ago A 3D voxel world game. (code and assets)
Curse of War 320 6 months ago A fast-paced strategy game. or later (code and assets)
The Legend of Edgar 120 3 months ago A 2D platform game with a persistent world. or later (code), various free culture licenses (assets)
FallingTime 27 about 3 years ago An arcade game. or later (code), various CC (no NC or ND) (assets)
Taisei 1,149 15 days ago (code and assets), only for one font
Turtle Arena 36 about 6 years ago Third-person action game. or later (code), various free culture licenses (assets)
Wizznic 40 over 3 years ago A puzzle game. or later (code and assets)

Awesome Gamedev / Games / C++

Battle for Wesnoth 5,551 1 day ago A turn-based strategy game. or later (code and assets)
Blackvoxel 99 6 months ago A voxel exploration and crafting game. or later (code and assets)
Clonepoint 69 10 months ago or later (code), various CC (no NC or ND) (assets)
colobot 1,120 19 days ago A robot-based strategy game. or later (code and assets)
Egooboo 112 about 2 years ago A 3D dungeon crawler in the spirit of NetHack. or later(code and assets)
Endless Sky 5,905 10 days ago 3D space exploration game. or later (code), various CC (no NC or ND) (assets)
Freeminer 402 29 days ago A 3D voxel world game. or later (code), (assets)
MegaGlest 357 about 1 month ago A 3D RTS game. or later (code), (assets)
Minetest 10,814 8 days ago A 3D voxel world game. or later (code), (assets)
Minilens 135 over 6 years ago A cute puzzle platformer starring a cleaning robot on post-Apocalyptic Earth. Made with the Godot engine. or later (code), (assets)
Monster 1 A JRPG-style game. (code and assets)
Monster 2 A JRPG-style game. (code and assets)
OpenClonk A jump'n'run/settlement/combat game. (code), at most but mostly (assets)
OpenDungeons 477 almost 2 years ago A version of Dungeon Keeper. or later (code), various free culture licenses (assets)
Return of Dr. Destructo 29 almost 4 years ago An adventure game. (code), (assets)
SavageWheels 34 over 2 years ago A car game. (code and assets)
Seven Kingdoms: Ancient Adversaries 256 about 1 year ago A strategy game. or later (code and assets)
SuperTux 2,536 8 days ago A platformer. or later (code), various free culture licenses (assets)
SuperTuxKart 4,525 11 days ago A 3D racing game. or later (code), various free licenses (assets). (code), (assets)
The Powder Toy 4,607 15 days ago A sandbox falling sand physics game. or later (code and assets)
Übergame A multiplayer, casual FPS game. (code), (assets)
Warzone 2100 3,225 10 days ago An RTS sci-fi game. or later (code), various free culture licenses (assets)

Awesome Gamedev / Games / CoffeeScript

coffee-snake 32 over 3 years ago A version of Snake. or later (code), no significant assets
Zop 39 over 4 years ago A 'connect the dots' game. (code), no significant assets

Awesome Gamedev / Games / Dart

Hauberk 2,014 28 days ago A roguelike. (code), no significant assets
Pop, Pop, Win! 149 12 days ago A version of Minesweeper. (code and assets)

Awesome Gamedev / Games / ECMAScript

2048 12,272 about 1 month ago The original, classic casual game. (code and assets)
A Dark Room 7,299 6 months ago A text adventure game. (code), no significant assets
Blockrain.js 958 over 6 years ago A version of Tetris. (code and assets)
BrowserQuest 9,261 over 1 year ago An MMORPG. (code), (assets)
Clumsy Bird 1,528 over 6 years ago A version of Flappy Bird. (code and assets)
Drunken Viking 59 about 3 years ago A top-down puzzle game. (code), various CC (no NC or ND) (assets)
Freeciv-web 2,007 18 days ago A port of Freeciv. or later and or later (code and assets)
ludum-dare-28 23 over 8 years ago (code and assets)
Masonry-JavaScript-Tetris-Clone 12 over 9 years ago Exactly what it says on the tin. (code and assets)
Parity 37 about 6 years ago (code), no significant assets
Particle Clicker 651 8 months ago An incremental game that teaches the history of high-energy particle physics. (code and assets)
Prism 25 over 9 years ago A colour-matching game. (code), no significant assets
Roguish 89 over 9 years ago A roguelike. (code and assets)
Snake 27 about 2 years ago A version of Snake. (code), no significant assets
Sorades 13k 24 over 11 years ago A scrolling shooter. (code and assets)
Space Crusade 11 almost 6 years ago A space game. (code), (assets)
Space Shooter 17 9 months ago Simple space shooting game. (code)
Squirts 29 over 6 years ago (code and assets)

Awesome Gamedev / Games / Java

epic-inventor An indie, side-scrolling RPG. only (code and assets)
Ned et les maki A 3D puzzle game. (code), (assets)
Newton Adventure A puzzle game. (code), various CC (no NC or ND) (assets)
PuzzleGame 63 over 8 years ago A slider puzzle game. Uses Android port of Cocos2D engine. (code and assets)
Terasology 3,683 27 days ago A 3D voxel world game. (code and assets)

Awesome Gamedev / Games / Other/Multiple

Cataclysm: Dark Days Ahead 10,648 8 days ago A roguelike set in a post-apocalyptic world. (code), (assets)
DynaDungeons 218 7 months ago A version of Bomberman. Uses Godot engine. or later (code), various CC (no NC or ND) (assets)
FLARE 69 about 6 years ago A dark fantasy 2D RPG. Uses FLARE engine. or later (code), (assets)
Pioneer 1,639 8 days ago A space exploration game. Implemented in C++ and Lua. only (code), (assets)
Source of Tales 59 over 6 years ago An MMORPG. Scripted using Lua (implementation language unclear). or later (code), and (assets)
Tanks of Freedom 1,142 about 2 months ago Pixed-based turn-based strategy. Uses Godot engine. (code and assets)
Teeworlds 2,367 3 months ago Implemented in C and C++. (code), (assets)
Zero-K 691 10 days ago An RTS game. Uses Spring engine. or later (code and assets)

Awesome Gamedev / Games / Python

Bullet dodger A fun and challenging mouse game where you must dodge bullets. only (code), various CC (no NC or ND) (assets)
Hexoshi Free-roaming Metroid-like. only (code), various CC (no NC or ND) (assets)
Mystic Mine 76 over 4 years ago (code and assets)
ReTux A platformer. only (code), various free culture licenses (assets)
RogueBox Adventures A mix of classical roguelike and sandbox game. or later (code), various free culture licenses (assets)
Unknown Horizons 1,425 11 months ago A real-time strategy simulation game. or later (code), (assets)

Awesome Gamedev / Graphics / Assorted

Blender 3D Model Repository User-submitted 3D models made with Blender. Various licenses, including free ones
Blend Swap A community of Blender artists and their work. Various licenses, all CC
CanTree Free online tree generator. Generates PNG files.
Kator Legaz 3D Models 3D Models by of various subjects.
mocapdata.com A library of motion capture data. Various licenses, including free ones
Yobi3D A search engine for 3D models that aims to display license information when possible. Various licenses, including free ones

Awesome Gamedev / Graphics / Collections

Free stuff by 7Soul1 A collection of various game-related assets. Available in PNG. Public domain
openclipart A collection of various clip art. Available in PNG. Public domain
Remastered Tyrian graphics A collection of pixel spreadsheets for a top-down shooter.
Vecteezy A collection of vector art. Various Creative Commons licenses
ZipUp Free Game Elements A collection of various graphical elements. Custom attribution license, free

Awesome Gamedev / Graphics / Icons

FatCow A set of 3900 colour icons in 16x16 and 32x32 pixel format.
Font Awesome 73,932 3 days ago A large set of vector icons.
Game-icons.net A constantly-growing collection of black-and-white icons. Available in SVG or PNG.
IconFontCppHeaders 1,214 15 days ago C and C++ headers for icon fonts , and
Kenney Game Icons 13 almost 9 years ago A font pack specifically designed for (browser) games and other gaming related websites/projects.
Material Design Icons 50,673 9 days ago An official icon set from Google following specific guidelines.
Tango Icon Library An icon set project with a goal to create a consistent user interface. Public domain

Awesome Gamedev / Graphics / Sprites

LPC Spritesheet Character Generator A pixel-art RPG-style character spritesheet generator. Arts are dual licensed : and
SpriteLib A big collection of sprites. Available in PNG.

Awesome Gamedev / Graphics Tools / Animation

Synfig Studio A 2D animation tool. or later

Awesome Gamedev / Graphics Tools / Bitmap Compression

FLIF Reference implementation of the Free Lossless Image Format. Comes with additional tools. only
pngquant A command-line utility for lossy compression of PNG images. Has various front-ends available.
Trimage 708 over 3 years ago A cross-platform tool for losslessly optimizing PNG and JPG files.

Awesome Gamedev / Graphics Tools / Editors

Blender A 3D modelling and rendering editor. or later
GIMP The GNU Image Manipulation Program. Designed for photo retouching, image composition and similar tasks. or later
GrafX2 A bitmap paint program specialized for 256-color drawing. only
Hme A program for creating, manipulating and viewing height maps. or later
Inkscape A vector image editing program. only
Krita A digital painting and illustration program. or later
MakeHuman A tool for making 3D characters. or later
MyPaint A natural materials painting and drawing emulator. or later
ngPlant A 3D plant modelling software suite. or later
NormalMapOnline An online normal-mapping tool.
Overlap2D An engine-agnostic game level and UI editor.
Pixelorama 2D pixel art editor with animation support.
Synfig Studio 2D animation software. or later
Tiled Easy-to-use and flexible tile map editor. or later and

Awesome Gamedev / Graphics Tools / Mesh Tools

MeshLabs A portable system for the processing and editing of unstructured 3D triangular meshes. or later
Dilay A 3D sculpting application that provides an intuitive workflow using a number of powerful modelling tools. or later

Awesome Gamedev / Graphics Tools / Procedural Generators

SpaceshipGenerator 7,674 6 months ago A Blender script allowing generation of spaceships from a random seed and some parameters.

Awesome Gamedev / Graphics Tools / Spritesheet Tools

Piskel Online pixel art and animated sprite creator. or later

Awesome Gamedev / Graphics Tools / Texture Tools

AwesomeBump 1,666 almost 2 years ago A program that generates normal, height, specular or ambient occlusion, roughness or metallic textures. Requires a graphics card with support for OpenGL4 or greater. or later
Material Maker 3,536 16 days ago Procedural texture generation tool for use with PBR engines.
NeoTextureEdit An easy-to-use, graph-based, procedural texture editor. No longer maintained. or later
TextureGeneratorOnline An online tool for texture generation.

Awesome Gamedev / Graphics Tools / Voxel Editors

Sproxel A 3D interface for quickly editing and creating voxel-based 3D models.

Awesome Gamedev / Learning Resources / Game Design

School of Game Design, Wikiversity A collection of learning resources for would-be game designers.

Awesome Gamedev / Learning Resources / Graphics

Blender 3D: Noob to Pro A Wikibook for learning how to make 3D graphics with Blender.
Procedural Content Generation Wiki A collection of articles about the use of procedural generation to make stuff in games.

Awesome Gamedev / Learning Resources / Music

LibreMusicProduction A community-driven online resource for promoting musical creation and composition using free tools.

Awesome Gamedev / Learning Resources / Programming

Computer Science section on Saylor Academy A collection of computer science courses. Many of these deal with useful concepts for game programming.
Introduction to Mobile Game Development Class on making simple mobile games with Gideros and Lua.
An Introduction to Python Pretty much what it says on the tin.
Beginner 2d Game Programming Tutorial (video) - A set of tutorials in 2D game programming, illustrated using ECMAScript.
C++ Tutorial for Beginners (video) - A collection of basic video tutorials for C++.
Effective Go A guide to writing good, clean and readable Go code for beginners. (text), (code)
Functional Programming in JavaScript (video) - A series of tutorials about functional programming concepts, illustrated using ECMAScript.
Java Collections Framework (video) - A set of tutorials for using Java collections properly.
Java For Complete Beginners (video) - A collection of basic video tutorials for Java.
Lua Programming A completed Wikibook on programming Lua.
Practical Haskell - getting started with Stack A series of tutorials designed to help people get started programming Haskell.
pygame_stuff A collection of code samples using PyGame. or later
The GNU C Programming Tutorial An introduction to programming in C by the nice GNU people. PDF.
why's (poignant) Guide to Ruby An interesting introductory book for Ruby.
Advanced C++ (video) - A tutorial on advanced aspects of C++.
Dive Into Python A Python book for experienced programmers.
Haskell A very thorough Wikibook on programming Haskell.
Haskell Tutorial for C Programmers An introduction to Haskell for people coming from C-family languages.
JavaFX Tutorial (video) - A series of videos about how to use JavaFX to make GUIs.
Java Multithreading (video) - A series of videos about how to do multithreading work in Java.
Mostly adequate guide to functional programming (in JavaScript) 23,422 2 months ago A book on the fundamentals of functional programming in ECMAScript.
Structure and Interpretation of Computer Programs A classic programming and teaching text. Designed for teaching Scheme, but can be useful to anyone writing in any language.
breakouts 541 12 months ago A collection of ECMAScript implementations of Breakout.
Haskell Programming A complete wiki of the Haskell programming language.
Joey Hess' blog A collection of posts, many of which are about Haskell use.

Awesome Gamedev / Learning Resources / Talks

GameDevRadio (podcast) - A series of online radio shows devoted to entertaining and educating whoever is interested in game development.
Indievelopment talks (video) - A collection of talks about various aspects of game development.

Awesome Gamedev / Programming Frameworks and Libraries

ActionKid 49 about 9 years ago A simple video game framework. Implemented in Haskell.
Allegro 5 A cross-platform library for low-level tasks, like creating windows, accepting user input and so forth. Implemented in C and C++.
Bacon2D A framework to ease 2D game development, providing QML elements representing basic game entities. Implemented in C++.
bgfx 15,087 10 days ago A 'build-your-own-engine' rendering library.
Chipmunk2D A fast and lightweight 2D game physics library. Implemented in C.
ChipmunkSharp 80 over 5 years ago Advanced physics engine library based on Chipmunk. Implemented in C#.
Cinder A community-developed library for creative coding. Implemented in C++.
ClanLib A cross-platform toolkit with a primary focus on game creation. Implemented in C++.
CutJS A lightweight and fast 2D HTML5 rendering engine for cross-platform game development. Implemented in ECMAScript.
Dear ImGui 61,152 8 days ago An Immediate Mode Graphical User interface for C++ with minimal dependencies
enchant.js A framework for developing simple HTML5 + ECMAScript games. Implemented in ECMAScript.
EndGate A framework for building HTML5 games. Implemented in TypeScript.
Epoxy 680 12 days ago A library for handling OpenGL function pointer management. Implemented in C.
GameJs 466 over 4 years ago A thin library on top of the Canvas API, including some helpful game development modules.
Gideros A cross-platform game development framework in Lua. Various licenses, all free
Gladiator3D 29 over 10 years ago A raycasting engine. Implemented in ECMAScript.
GLFW A multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop
HaxeFlixel A cross-platform development framework, supporting many targets. Implemented in Haxe.
HaxePunk A development framework designed to let you build games on any platform.
ImGuizmo 3,216 9 days ago An immediate mode 3D gizmo for scene editing and other controls based on
Kcp 15,394 about 1 month ago A fast and reliable ARQ protocol that helps fast-action games reduct network latency
Kivy Rapid-development library for multi-touch and visual apps on many platforms. Implemented in Python.
Kuko A cross-platform development library, designed for mobile devices. Implemented in C++ and Lua.
libGDX Cross-platform game development framework. Implemented in Java.
libRocket 1,135 over 3 years ago An HTML/CSS-based UI library. Implemented in C++.
libSDL2pp 562 12 months ago A set of C++11 bindings for SDL2. Implemented in C++.
LimeJS A framework for building fast HTML5 games. Implemented in ECMAScript.
LoomSDK A very large and powerful framework for cross-platform 2D game development. Implemented in C++.
LÖVE A framework for making 2D games. Implemented in Lua.
LuaStudio A cross-platform framework/development tool for making 2D/3D games. Lua/LuaJIT programming language based
MINX MINX Is Not XNA; a framework resembling XNA. Implemented in C++.
p2.js 2D physics library. Implemented in ECMAScript.
pixi.js 43,948 6 days ago A 2D rendering engine. Implemented in ECMAScript.
Polycode Framework for games and interactive applications. Implemented in C++. Has Lua bindings.
PyDark 216 about 3 years ago Game framework on top of PyGame; designed to be easy to pick up. Implemented in Python.
PyGame A set of modules designed for writing games. Implemented in Python. or later
Quasi-Engine 55 over 9 years ago A set of Qt-based tools for game development. Implemented in C++. or later
raylib Low-level library designed to learn videogames programming. Implemented in C, but has Lua and Go bindings
SDL Another cross-platform library for low-level tasks, like creating windows, accepting user input, and so forth. Implemented in C.
SFML Simple and Fast Multimedia Library; a multi-platform, multi-language, multimedia interface to various computer hardware. Implemented in C++. Has a .
Slick2D A set of tools to make 2D game development easier. Implemented in Java.
Three.js A library that makes WebGL easy to use. Implemented in ECMAScript.
Tracy 10,189 9 days ago C++ frame profiler.
voxel.js A multi-component framework for bulding voxel games for modern browsers. Implemented in ECMAScript.
ZenGL A cross-platform game development library designed to provide necessary functionality for rendering 2D-graphics, handling input, sound output, etc. Implemented in Pascal.

Awesome Gamedev / Utilities

Assimp Open Asset Import Library; a portable way to import various well-known 3D model formats in a uniform manner. Implemented in C++, with a range of bindings.
Easel.js 8,145 2 months ago Provides a range of tools to make working with the HTML5 Canvas API easier. Implemented in ECMAScript.
Gmsh A 3D finite-element grid generator with a built-in CAD engine and post-processor. or later
libcaca 546 4 months ago An ASCII graphics rendering library for terminal-based interfaces.
libnoise A portable coherent noise-generation library. Implemented in C++. or later
PhysicsFS A library to provide abstract access to various archives.
ScummVM A program which allows you to run certain classic graphical point-and-click adventure games, provided you already have their data files. or later
Torsion 38 almost 6 years ago A TorqueScript IDE.
TrenchBroom A cross-platform level editor for Quake-engine-based games. Currently supports Quake, Quake 2 and Hexen 2 engine-based games. or later
WorldForge Provides everything needed to create your own free software MMORPG. or later (or a compatible license)

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