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
Personal and small-business finance manager
Open source ERP and CRM web software for business
A full ERP system - moved to GitHub. See full description for details.
Calculates income tax form entries, helps do your taxes.
AI-native CLI for trading Kalshi prediction markets
Democratizing Financial Services Worldwide
Take your office and CRM into the cloud!
Open-source, self-hostable personal subscription tracker
Firefly III: a personal finances manager
Accounting & Best Practice Business Administration System
jGnash Personal Finance
Currency data API
The most simple, flexible, and comprehensive OpenAI Gym trading
Empower your hosting business with FOSSBilling
Open-source pricing and billing infrastructure
Online Accounting Software
Create, calculate, and format money in JavaScript and TypeScript
LLM-driven A/H/US stock intelligent analyzer
Technical analysis + LLM powered trading workflows