Streber is a free wiki driven project management tool written in php5. Freelancers and small teams can easily setup projects and keep track of tasks, issues, bugs, efforts etc. Project-User-Rights can be adjusted e.g. to provide clients a limited view of the current project state.

Update Task Quickly get organised.

Manage your team and projects

Tracks is a web-based application to help you in Getting Things Done. It was built using Ruby on Rails, and comes with a built-in webserver (WEBrick), so that you can run it on your own computer if you like. It can be run on any platform on which Ruby can be installed, including Mac OS X, Windows XP and Linux. Tracks is Open Source, free and licensed under the GNU GPL.

Tasks Jr. is a lightweight web-based task manager to help you manage your personal and professional projects...

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

Archive, Manage, Share and Track your Digital Files.

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

An open source web application meant to help manage & create invoices in a simple, straightforward way. mANAGE PAYMENTS

VisionProject is a web based software that makes it easy to manage all your internal or clients projects in an efficient way saving you time and money. VisionProject supports the agile way to manage projects but can also be used in projects...