EditGrid

EditGrid is a Hong Kong based online spreadsheet service. The site is designed with extensive collaboration features, such as document-sharing, live chats, and real-time-update, allowing users to see changes as soon as they are made. Other features include the ability to import web data and over 500 spreadsheet functions, compared to only 230 available in Google Docs. EditGrid integrates with Netvibes, Pageflakes, and Salesfoce AppExchange. The service is free for individual users, while organizations can pay $5 per month per user for a premium service with added security, administration, and customized features.

Learn more: http://www.editgrid.com/