Zoho Writer – Ajax Word Processor
Zoho Writer is an Online collaborative web2.0 Ajax based word processor. You need not install anything on your computer, just signup and create documents online and access it anywhere and anytime.
Zoho Writer supports Collaborative Editing means multiple users can work on the same document simultaneously.
It supports import/export of documents with PDF, DOC, SXW, RTF, ODT, HTML and text file formats.
With Zoho Writer you can also post documents to your blogs like WordPress, Typepad, Blogger.
Zoho has other services as well check out here