A JavaScript library for image- and vector-tiled maps using SVG.
w3af, is a Web Application Attack and Audit Framework. The w3af core and it's plugins are fully written in python. The project has more than 130 plugins, which check for SQL injection, cross site scripting (xss), local and remote file inclusion and much
AquaPath is a free Cocoa-based developer tool for Mac OS X Tiger that allows you evaluate XPath expressions against any XML document and view the result sequence in a dynamic, intuitive tree representation.
FireBug is a new tool for Firefox that aids with debugging Javascript, DHTML, and Ajax. It is like a combination of the Javascript Console, DOM Inspector, and a command line Javascript interpreter.
JSJaC is a jabber client library written in JavaScript to ease implementation of web based jabber clients.
csscss will parse any CSS files you give it and let you know which rulesets have duplicated declarations.
