dotProject for Project Management

dotProject is a web-based, multi-user, multi-language, open-source Project Management application designed in PHP & MySQL. It's free for any uses and is maintained by an open community of volunteer programmers across the globe. The developers who started with dotProject are Adam Donnison, Karen Chisholm, Gregor Erhardt, Ivan Peevski, Eamon Brosnan & Benjamin Young. It started as an open-source replacement to Microsoft Project and has the following features:

• Projects and Tasks
• Companies, Departments and Contacts
• ToDo lists
• Resources
• Forums
• Gantt charts
• Access control via ACL
• Reporting
• History of all activities
• Calendar