Collabtive is web based project management software. Simple and easy.
PWM let you organize your project in a Web 2.0 way.
MPP Viewer is a viewer for Microsoft Project files
PapersWP integrates Papers to WordPress for assinchronic online events
An Management System for Contacts,Messages,Documents,Orders,Projects
Open source support tracking in your browser
Product Backlog Eclipse connector for Mylyn
The most popular mindmapping and brainstorming software