Zoho.com
"If you’ve never checked out the many web-based tools that Zoho provides (all free) they are MORE than worth a look. From word processing (now with several new features) to spreadsheets to web-based presentation tools (Zoho Show) and that’s just the tip of the iceberg." (From ResourceShelf).
The have something like powerpoint, to do lists, website tracking and all kinds of good stuff for free.
