OpenOffice.org is a cross-platform office suite software that runs on Linux, FreeBSD, Macos X (X11), Solaris, and Windows. It mainly contains document processing (Writer), compute table (CALC), briefing IMPRESS, and drawing (DRAW), several main features. OpenOffice.org can not only read and write Microsoft Office file format, but also convert files into PDF files, converted to SWF (Flash) files with the file. OpenOffice.org is free software, anyone can install, copy, and spread it. Download: OpenOffice.org 2.0 (Snapshot Build 1.9.m74)