Probably the most versatile online scheduling system!
...Our Team leader had gained over 10 years of experience in scheduling solutions through his past position with a leading scheduling solution provider. During this time the need for a next generation scheduling solution became clear and was supported by customer feedback. “We had witnessed first hand the demands brought about from moving scheduling on-line and the opportunities this presented for the future of scheduling solutions.”
In june 2015 we decided to lisence it as Open Source
All development will continue here under a BSD license:
https://github.com/web2project/web2project
LAMP-based Project Management System focused on satisfying real-world business requirements based on community feedback. Built on a modular app framework, it allows Add On modules & customizations to interact almost seamlessly. (dotproject fork)
Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).