ProjectPier is a Free, Open-Source, self-hosted PHP application for managing tasks, projects, and teams. ProjectPier will help your organization communicate, collaborate and get things done. Its function is similar to commercial groupware/project management products, but allows the freedom and scalability of self-hosting. Features include completely web based, focused on simple concepts and usability to provide an easy to use solution, organizes your projects into Milestones, Messages, Tasklists, Tasks, and Files, E-mail notifications for new milestones, tasks, messages, and comments mean that your users can stay in the loop without checking the site, and allows an unlimited number of Projects, Clients, Users, and other object.
||Free to try
Windows Server 2008,
||VMWare, VirtualBox, or Parallels