Zoho offers a suite of online web applications geared towards increasing your productivity and offering easy collaboration. Zoho's online office tools include a word processor, spreadsheet application, presentation tool, hosted wiki, notebo...
Zimbra provides open source server and client software for messaging and collaboration -- email, shared calendar, and web documents -- is a popular choice for Linux email servers and supports Mac OS X, appliances, and virtualization platfor...
Gliffy.com is free web based diagram software. Create and share flowcharts, network diagrams, floorplans, user interface designs and other drawings online with the Gliffy diagram editor.
EditGrid is a free web-based online spreadsheet which allows you to create and share spreadsheets documents. You can collaborate with your team, publish your spreadsheets and even power them with external data.
ThinkFree.com, ThinkFree Office is a Web-based, server hosted office suite that allows users to create, edit and share word processing, spreadsheet, and presentation files anytime, anywhere.