There are so many Office software to support spread sheet, Word processing, presentations, graphics, databases and more. But Microsoft Office is well known one for its performance. But it's costly. So that the another way to do these things is by using Open office.
Open office is a Open source project, which has high response and leading in its domain. Anyone can use this Open source product, report bug , Ask for new features and Anyone can Enhance it.
It is Supporting several languages and it's easy to use. The user interface is also very cool. The licence is LGPL, So that we can use this software to any purose such as commercial, personal, educational ,etc.
For direct download use the Link1 & for getting templates, extensions,etc from the official website's home page visit Link2 . For downloading Open Office Beta 3.2.0 RC5 use the Link3