OpenOffice 3.0 Beta is released today, final version is expected to release in September. This is a beta version so may contain some bugs and some features may not work properly, but if you want to test the new features you can download from here.

New Features:

• First time OPenOffice will support MAC OSX, and reportedly it is stable on Mac OSX.
• Supports the features of upcoming version 1.2 of the ODF format.
• Now Openoffice can open files creates with Microsoft Office 2007 (.docx, .xlsx, .pptx etc).
• “This new feature in OpenOffice.org 3.0 allows collaborating on spreadsheets with multiple users. By sharing a spreadsheet; other users can easily add their data to the spreadsheet.”
• Start Center allows you to chose what module to select like document, spreadsheet etc.

See the full feature list here. via Download Squad