DocumentserverONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.
PhpspreadsheetA pure PHP library for reading and writing spreadsheet files
SpoutRead and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
workbooksimple framework for containing spreadsheet like data
spreadsheet decoderSpreadsheet Decoder is a library for decoding spreadsheets for ODS and XLSX files.
tabular-streamDetects tabular data (spreadsheets, dsv or json, 20+ different formats) and emits normalized objects.
conveyCSV processing and web related data types mutual conversion
opentbsWith OpenTBS you can merge OpenOffice - LibreOffice and Ms Office documents with PHP using the TinyButStrong template engine. Simple use OpenOffice - LibreOffice or Ms Office to edit your templates : DOCX, XLSX, PPTX, ODT, OSD, ODP and other formats. That is the Natural Template philosophy.
rodfODF generation library for Ruby