Open Source JavaScript Scheduling Software

Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see www.zimbra.com for the latest news and downloads.

PHProjekt is an application suite that supports communication and management of teams and companies. It includes a group calendar, project management, a request tracker and localization. source code is hosted at http://github.com/mayflowergmbh/PHProjekt

Concisus is a collaborative environment (a groupware) based on the idea of separating application from information. Concisus is a eGroupware branch to provides a framework to manipulate informations and their relations using a web-based interface.