A modular CSS framework for truly flexible, accessible and responsive websites
Ajax GUI Framework
The Closure Compiler, Library, Templates, and Stylesheets help developers create powerful and efficient JavaScript.
Online vault and password manager that knows nothing about you and your data.
Everything you submit is locally encrypted by your browser before being transmitted to Clipperz. The encryption key is a passphrase known only to you! It is impossible for anyone without that key to decrypt your data.
MobWrite converts forms and web applications into collaborative environments. Create a simple single-user system, add one line of JavaScript, and instantly get a collaborative system.
xCSS bases on CSS and empowers a straightforward and object-oriented workflow when developing complex style cascades.
This page compares regular expressions that validate e-mail addresses in order to find the best one.
Web based MySQL administration
YOURLS stands for Your Own URL Shortener. It is a small set of PHP scripts that will allow you to run your own URL shortening service (a la TinyURL or bitly).
Deep linking plugin
This site exists to provide a home for, or pointers to, resources from across the Linked Data community.
A community-curated database of well-known people, places, and things
GNU social is a continuation of the StatusNet project. It is social communication software for both public and private communications. It is widely supported and has a large userbase. It is already used by the Free Software Foundation.