A structured library of open-source code for PHP users - A system for code distribution and package maintenance - A standard style for code written in PHP
AJS is a ultra lightweight JavaScript library that is around 1 and half year old. It is hugely inspired by MochiKit, but differs by being small. The current version is only 33 KB (uncompressed), whereas MochiKit is over 100 KB
a collection of ActionScript 3 classes for building a wide variety of interactive visualizations. For example, flare can be used to build basic charts, complex animations, network diagrams, treemaps, and more.
integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.
concept created by lone developer (Eskil Steenberg) bent on creating an entire massively multiplayer online world single-handedly, using procedural generation techniques that cause the game to build itself by starting with clever rules and exploring them
a system that helps web site designers in the early stages of design. DENIM supports sketching input, allows design at different refinement levels, and unifies the levels through zooming
a complete development utility for graphics of tile-based games. The application contains a bitmap editor for creating tiles and sprites and a map editor for designing level maps.
a general purpose tile map editor. It's built to be easy to use, yet capable of catering to a host of varying game engines, whether your game is an RPG, platformer or Breakout clone.
a free application framework designed for "creative coding". OpenFrameworks is written in C++ and runs on Windows, Mac OS X, and Linux. It is developed and maintained by Zachary Lieberman and Theo Watson.