Office Suite: OpenOffice.org
http://www.openoffice.org/
OpenOffice.org is a multiplatform and multilingual office suite and an open-source project. Compatible with all other major office suites (including Microsoft Office), the product is free to download, use, and distribute.
Open Source Development Editor: Open Komodo
http://www.openkomodo.com/
The Open Komodo Project, based on the award-winning Komodo IDE, is a new initiative by ActiveState to create [...]