See :
http://www.sun.com/software/star/staroffice/faqs/technical.jsp#q_1313.Q:
What are the differences between StarOffice 8 software and the OpenOffice.org 2.0?
A:
StarOffice 8 software is a commercial product built on OpenOffice.org’s open source code to provide the best value, multi-platform Microsoft compatible office suite aimed at organizations and consumers. OpenOffice.org 2.0 is the leading open-source project aimed at users of free software, independent developers and the open source community. StarOffice includes licensed-in, third-party technology such as:
Spellchecker and thesaurus
Mail Merge Wizard does not have the ability to send mail merge documents as emails.
Select fonts including Windows metrically equivalent fonts and Asian language fonts
Select filters, including Asian word processor filters
Integration of additional templates and extensive clipart gallery
Migration Tools and Macro Migration Wizard. The converted macros does not run in OpenOffice.org
Sun Java System Configuration Manager for Solaris, Linux and Windows In addition to product differences, StarOffice offers:
Updates/upgrades on CD
Sun installation and user documentation
24x7 Web based support for enterprises and consumers
Help desk support
Warranties and indemnification guarantee Training
Professional services for migration and deployment
For a detailed comparison, please see. For more information on components and services available for the OpenOffice.org product, visit the OpenOffice.org Web site.
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