Google Sheets Python API
Data science spreadsheet with Python & SQL
A terminal spreadsheet multitool for discovering and arranging data
The free and Open Source productivity suite
C++ library for creating XLSX files for MS Excel 2007 and above.
Library modules for creating ODF documents.
Python spreadsheet application
Cryptographic Hashing Application for Excel Files
Repairs/Recovers Corrupt MS Office 2007 - 2013 Format Files
Extracts text/data from corrupt MS Office 2007-13 format files.