Lays out dependencies (links) between Excel files in a visual graph
Makes easy MS recommended Excel recovery methods - adds 5 of its own.
Repairs/Recovers Corrupt MS Office 2007 - 2013 Format Files
Compares two Excel files on a cell-by-cell basis and dumps differences
Java program that uses Monte Carlo
Perl utility that modifies GnuCash Trasnaction Exports
C++/C library to construct Excel .xls files in code.
OTC Trading Network
Recover unopenable corrupt Open Office files or salvage the text.
palo olap open office calc plugin for data analysis
Extracts text/data from corrupt MS Office 2007-13 format files.
Perform automatic: compare,copy,delete,merge,format,password removal
Excel interpolation add-in
A lightning fast JavaScript grid/spreadsheet
an embeddable spreadsheet for your web application
Aguinaldos, Antigüedad, Indemnizacíon, Horas Extras, Presupuesto etc
A VBA-based Excel 2007 tracker for BTEC units.