With Online-Bookmarks you have the possibility to gain a multiuser Bookmark management system that keeps Bookmarks, Favorites and Links online, where they actually are needed...

Open Atrium is an open source web application for creating an intranet where co-workers/teams can collaborate easily. It is built on the Drupal framework

AJAX Chat is a fully customizable web chat implemented in javascript, PHP and MySQL which integrates nicely with common forum systems like phpBB...

The tr.im website for URL creation, account management and statistics presentation. more than just a tinyurl

Automne is a free open-source Content Management System based on PHP and MySQL and available under licence GNU-GPL.
Automne manages content from entreprises, governement, educational institutions and non profit organizations on the web, intranet and extranet...

ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. ClickHeat is an OpenSource software, released under GPL licence, and free of charge.

Another URL short url service.

Archive, Manage, Share and Track your Digital Files.

URL shortening service that allows you to shorten long Internet addresses. TinyURL Clone

BambooInvoice is free Open Source invoicing software intended for small businesses and independent contractors.

Intergrate Flickr, Twitter, Facebook, YouTube, Google Shared Items, Tumblr, Digg, Reddit, LastFM, Stumbleupon, Delicious, Upcoming, Mixx & more in to one

EZPX is a free lightweight photoblog engine having all the features you'd need and a user interface you'll love to use.

This PHP and MySQL script provides a simple and lightweight blogging/news system for your website. The script allows you to quickly post updates to your blog via an online control panel from which you can also manage your blog and prepare posts. This script is ideal to provide updates and information to your visitors about yourself, your website, company or product.

Pubwich is an open-source PHP Web application created by Rémi Prévost that allows you to aggregate your published data from multiple Websites and services into a single HTML page.

Simple way to manage your personal todo list in AJAX-style. Written in PHP 5 and jQuery UI. Data stored in SQLite or MySQL database.