OpenOffice is an offimatic suite which includes a text processor, a calculus sheet and a system for the creation of presentations. Besides, it also incorporates a database manager with which you will be able to make reports and forms with a very simple access to the data.
Though OpenOffice has its own format, you do not have to worry about the compatibility: this programme offers support for Office generated documents in any of its versions. Other two outstanding utilities are the web navigator and the electronic mail client developed with an excellent level of functionality and response.
It must be pointed out that OpenOffice is automatically updated and it has a very simple interface which even beginner users will be able to handle to perfection.
In a few words, this is one of the most complete tools for the edition and visualization of documents. Download it now.