Javascript plugin to create web-based tables & spreadsheets
The free and Open Source productivity suite
C++ library for creating XLSX files for MS Excel 2007 and above.
A standalone, portable Ada package for producing Excel spreadsheets
Library modules for creating ODF documents.
Python spreadsheet application
Lays out dependencies (links) between Excel files in a visual graph
Aplicación que permite filtrar hojas de cálculo de google
Compares two Excel files on a cell-by-cell basis and dumps differences
C++/C library to construct Excel .xls files in code.
OTC Trading Network
palo olap open office calc plugin for data analysis
Trading journal for Currency,Stock,Commodity traders
an embeddable spreadsheet for your web application
Small, fast Java library for reading and writing CSV files