Browse free open source Financial software and projects for BSD below. Use the toggles on the left to filter open source Financial software by OS, license, language, programming language, and project status.
The free and Open Source productivity suite
Open source ERP and CRM web software for business
Personal and small-business finance manager
Democratizing Financial Services Worldwide
Calculates income tax form entries, helps do your taxes.
Firefly III: a personal finances manager
Take your office and CRM into the cloud!
Open-Source Financial Large Language Models
LLM-driven A/H/US stock intelligent analyzer
Online Accounting Software
Small, fast Java library for reading and writing CSV files
Open-source, self-hostable personal subscription tracker
Accounting & Best Practice Business Administration System
An AI Hedge Fund Team
AI-native CLI for trading Kalshi prediction markets
A Foundation Model for the Language of Financial Markets
A full ERP system - moved to GitHub. See full description for details.
Financial Calculator
Discover our Python package designed for algorithmic trading