This is a list of online
spreadsheets. Online spreadsheets are online applications that
allow users to create a spreadsheet, have multiple persons edit it and
share it with the world.
EditGrid - Free unsecured personal accounts. Premium account for
security or organizations.
Google Docs & Spreadsheets - Free
Simple Spreadsheet - Free and open source
ThinkFree Calc - Free and Premium services
wikiCalc - Free, download application for online use
Zoho Office Suite - Free and Pro accounts