Ranked in these QuestionsQuestion Ranking
Pro Free and open source
Licensed under Apache License.
OpenOffice is available on Windows, Mac OS, and *nix systems.
Pro Comprehensive suite of applications
Apache OpenOffice includes applications for word-processing, spreadsheets, presentations, and database management.
OpenOffice is available in 170+ languages.
Con Documentation is lacking
OpenOffice documentation is incomplete and language is highly technical.