Browse free open source Financial software and projects for Windows and Linux below. Use the toggles on the left to filter open source Financial software by OS, license, language, programming language, and project status.
A pure PHP library for reading and writing spreadsheet files
Online Accounting Software
A distributed transaction framework that supports multiple languages
A full ERP system - moved to GitHub. See full description for details.
Full CSS support for JSX without compromises
Java framework for SWIFT [tm] MT (FIN) messaging
PHP Stock Inventory Management System - POS
C++ library for creating XLSX files for MS Excel 2007 and above.
Javascript plugin to create web-based tables & spreadsheets
Kimai is a web-based multi-user time-tracking application
ThetaGang is an IBKR bot for collecting money
Python functions for trading
.NET project for financial messages interchange supporting ISO 8583
Czech and Bulgarian translate for UnicentaPos version 5.0
Mathematics, linear algebra and optimisation
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.