Google Documents

Create and share your work online:

• Create, edit and upload quickly
• Import your existing documents, spreadsheets and presentations, or create new ones from scratch.
• Access and edit from anywhere
• All you need is a Web browser. Your documents are stored securely online.
• Share changes in real time
• Invite people to your documents and make changes together, at the same time.

Homepage: docs.google.com

Symphony

IBM® Lotus® Symphony™ offers something for everyone – a community-oriented site, a template gallery, and tips and support to help you succeed. Your business can get more control over spiraling upgrade costs while protecting and maintaining documents into the future. If you’re a developer, Lotus Symphony supports Microsoft® Windows® and Office applications, which means you get even more from your current investments.

Homepage: http://symphony.lotus.com

OpenOffice

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.

Homepage: http://www.openoffice.org