The Stencyl Platform consists of three parts — Stencyl (the toolset), StencylForge and Stencyl.com. Each plays a role in helping you “find the fun” starting from a game’s conception all the way up to publication and beyond.

FlashPunk is a free ActionScript 3 library designed for developing 2D Flash games. It provides you with a fast, clean framework to prototype and develop your games in. This means that most of the dirty work (timestep, animation, input, and collision to name a few) is already coded for you and ready to go, giving you more time and energy to concentrate on the design and testing of your game.

Indie games… and essential resources for game developers. PixelProspector was started in June 2009 to showcase good indie games that the author recommends and to help out game developers. In the beginning there were only about 90 games and only 3 resources (a list of screenrecording software, a list of indie game sites and a list of business and marketing articles). Now over 3 years later PixelProspector grew quite a bit: Over 550 Games, A comprehensive list of indie resources and 7 compilation videos.

Impact is a JavaScript Game Engine that allows you to develop stunning HTML5 Games for desktop and mobile browsers. Impact runs on all HTML5 capable browsers: Firefox, Chrome, Safari, Opera and (behold) even Internet Explorer 9. Of course this also includes the iPhone, iPod Touch and iPad.

MelonJS is the result of our enthusiasm and past experiments with Javascript, and came from the feeling that no simple, free and standalone library was available to develop games. And although still a work in progress, melonJS already allows to easily create some nice games. MelonJS integrates the popular Tiled map format, allowing to easily design levels using the Tiled map editor, and to focus on the game features itself.

Crafty is a modern component and event based framework for javascript games that targets DOM and canvas. Check out the DEV version if you want to play with the latest and greatest. Crafty is a JavaScript game library that can help you create games in a structured way.

Build single and multiplayer games that run on your browser without any plugins. Does not require Flash, Silverlight or Java. Support for both 2D and isometric games and built-in advanced networking technology supporting realtime data compression and client-side entity interpolation.

Cross-platform mobile development support. Create iOS, Android, and mobile web apps from a single code base. Develop using a JavaScript-based platform with an integrated Eclipse-based IDE. Maximize your flexibility with open standards. Get to market faster than developing in Objective-C or Java

PhoneGap is an open source solution for building cross-platform mobile apps with standards-based Web technologies like HTML, JavaScript, CSS.

Cocos2d for iPhone is a framework for building 2D games, demos, and other graphical/interactive applications. It is based on the cocos2d design: it uses the same concepts, but instead of using python it uses objective-c. Supports: iPod Touch, iPhone, iPad and OS X