Google is now distributing StarOffice [Word processing, spreadsheet, presentation, and more Includes Java™ Runtime Environment] in their Google Pack for free.
Prior to the Google deal StarOffice was $70 for a 5 machine license.
Google pack currently includes following essential software
Sun open sourced the StarOffice code in 2000 and that became the OpenOffice.org project. Sun continues to support OpenOffice.org and new features and bug fixes will tend to appear in both products.
StarOffice adds some proprietary stuff that they couldn’t give to OpenOffice (fonts, adabasD database, some conversion tools and templates).