This course introduces students to the technological, social, and pragmatic aspects of developing open source software through direct involvement in the Mozilla projectand 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 project has and OpenOffice.org projects have been chosen as an example examples of an open source project projects because of its their maturity, breadth and depth of technology, and strong community.