Edición de imágenes – http://gimp.org
Modelado 3D – http://blender.org
Efectos de sonido – http://bfxr.net
Música procedural – http://abundant-music.com
2D Tile Map Editor – http://www.mapeditor.org/
Texture Packer – http://www.codeandweb.com/texturepacker
Motores gráficos:
Unity 3D – http://unity3d.com
WiMi5 – http://wimi5.com/es/
Construct 2 – https://www.scirra.com/construct2
Game Maker – http://yoyogames.com
GameSalad – http://gamesalad.com
Stencyl – http://www.stencyl.com/
Scratch – http://scratch.mit.edu/
Cocos 2D – http://www.cocos2d-x.org/
Gráficos:
De todo un poco – http://opengameart.org (la mayoría de modelos están en formato Blender)
Modelos 3D – http://turboSquid.com – http://www.cgtrader.com/
Sprites 2D – http://glitchthegame.com/public-domain-game-art/
Sonido y música:
Beep Box – http://www.beepbox.co/
Incompetech – http://incompetech.com
Efectos de sonido – http://freesound.org + http://freesfx.co.uk + http://soundbible.com
Control de Versiones:
Mercurial SCM (software only) – http://mercurial.selenic.com
Git (software only) – http://git-scm.com
GitHub (software and hosting) – https://github.com
Bitbucket (mercurial and git, hosting only) – https://bitbucket.org
SourceTree (mercurial and git client) – https://www.atlassian.com/software/sourcetree
IDE’s:
Eclipse – http://www.eclipse.org/
Visual Studio Express – http://www.visualstudio.com/products/visual-studio-express-vs
Monodevelop – http://monodevelop.com/
API’s:
XNA – http://www.microsoft.com/en-us/download/details.aspx?id=23714
Miscelánea:
Procedural terrain tool for Unity 3D: code.google.com/p/unityterraintoolkit/downloads/list
Processing2: http://processing.org/