DEPRECATED - instead go to https://gitter.im/PHPOffice/PhpSpreadsheet

XLSX / XLSM / XLSB (Excel 2007+ Spreadsheet) parser and writer

the ajax spreadsheet, jQuery plugin flavor

Convert a Google Spreadsheet to JSON

XLS (BIFF5/BIFF8, Excel 95-2004 spreadsheet) and XML (Excel 2003/2004) parser

Spreadsheet (Excel XLS/XLSX/XLSM/XLSB/XML) CLI

Make a quiz from data in a Google Spreadsheet. Requires jQuery and Tabletop.

Spreadsheet with jQuery

https://github.com/fernando-freitas-alves/ufabc-pdf-2-sheet