ThinkFree

With ThinkFree Online, you can:

Schedule and track tasks for your social group, create elaborate invitations and easily post online for everyone to see, build a presentation to describe your latest project or show pictures from your latest trip with complete details of the story behind the photo.

1. Upload, download, edit and save Word, Excel, PowerPoint documents.
2. Create Microsoft Office compatible files.
3. Invite your friends to share and collaborate on documents.
4. View the revision history of a document, and roll it back.
5. Post your documents to your blog or web page.

URL: http://www.thinkfree.com