This course introduces students to the technological, social, and pragmatic aspects of developing open source software through direct involvement in the Mozilla , Eclipse WTP and OpenOffice.org projects. Students will learn to use the tools, techniques, and strategies of open source developers. This is a project-based programming course. The Mozilla , Eclipse WTP and OpenOffice.org projects have been chosen as examples of an open source projects because of their maturity, breadth and depth of technology, and strong community.