Unbelievable how good this stuff is.
1. All the functionality you could want.
2. Office file compatibility
3. Native PDF output
4. Much more
OpenOffice.org: Home: "OpenOffice.org is a multiplatform and multilingual office suite and an open-source project. Compatible with all other major office suites, the product is free to download, use, and distribute. To help build the community, join us.
Download OpenOffice.org 2.0