AJAX applications ajaxWrite and ajaxSketch

ajaxWrite
http://www.ajaxwrite.com/

The look, feel, and functionality of Microsoft Word, in a completely web-based AJAX platform. Try ajaxWrite today, and experience first-hand how AJAX applications are changing the way the web works, and redefining the software industry.

ajaxSketch
http://www.ajaxsketch.com/

Great for diagramming, flow charts, free hand drawing, and more. With a similar look and feel to popular drawing programs, you don't need to learn a new interface. Based on Ajax programming techniques, it is a completely web-based program with the quick response of conventional software.

It's free — no signup, no registration, nothing to install