Open Source Web-Based PHP Spreadsheets: Gelsheet
Gelsheet is a free and open source web-based PHP spreadsheets application.
It is born as a module of Feng Office (OpenGoo) and comes in 3 versions; standalone, WP plugin and Feng Office plugin.
The application offers a desktop-like interface and capable of handling multiple documents with in-cell formulas, styling of content and exporting them to multiple formats.
Requirements: PHP
Compatibility: All Modern Browsers
Website:http://www.gelsheet.org/
Download:http://sourceforge.net/projects/gelsheet/files/
