The free and Open Source productivity suite
Calculates income tax form entries, helps do your taxes.
A standalone, portable Ada package for producing Excel spreadsheets
Secure Trading Client for most popular Bitcoin exchanges
Personal finance transaction tracker similar to the obsolete MS Money
Enterprise project management replacement for Project Server
C++ library for creating XLSX files for MS Excel 2007 and above.
Personal Finance and Accounting
JEE based Accounting web-application.
Open Source Microfinance Suite
PHPawn is a web-based and visual basic pawnshop program.
Open-Source Project for Credit Risk Modeling
A free alternative to MS Money
C++/C library to construct Excel .xls files in code.
Currency converter
cost estimation and management accounting, using neural networks