QCad A free open-source 2D CAD system for Linux. http://www.qcad.org/ More Info
ThinkFree Free, small, medium featured (word processor, spreadsheet, presentation, address book, e-mail client, file manager), use online or offline: promoted as usable from any computer with a web browser. MS Office compatible. Windows, UNIX/Linux. http://www.thinkfree.com/ More Info