PHPOffice

https://github.com/PHPOffice

phpoffice / PHPWord
A pure PHP library for reading and writing word files

phpoffice / PHPExcel
A pure PHP library for reading and writing spreadsheet files

phpoffice / PHPVisio
A pure PHP library for reading and writing diagrams files

phpoffice / PHPProject
A pure PHP library for reading and writing project management files

phpoffice / PHPPowerPoint
A pure PHP library for reading and writing presentations files