Top 3 Free Office Suites for Unix/Linux

1. OpenOffice

OpenOffice includes the key desktop applications, including a word processor, spreadsheet, presentation manager and drawing program; open-source databases can be easily integrated. It runs stably and natively on Solaris, Linux, Windows, and Mac OSX (X11). It is sophisticated and flexible, working transparently with a variety of file formats, including those of MS Office.

2. StarOffice

A cross-platform integrated office package that includes a word processor, spreadsheet, presentation software, and database. It uses the OASIS OpenDocument format, and has PDF export capability.

3. KOffice

KOffice is an integrated office suite for the K Desktop Environment (KDE) consisting of several applications: Word processor, spreadsheet, database, flow charter, drawing, image editing and presentation software. It can be compiled for several flavors of Unix.