Browse free open source Financial software and projects for Windows 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
uniCenta oPOS - dynamically evolving POS project
Chromis POS, the new evolving face for your point of sale needs
Open Source Airtable Alternative
A pure PHP library for reading and writing spreadsheet files
Open Source Point of Sale is a web based point of sale application
Open Source Integrated Hospital Information Management System
Free and Open Source Invoicing, Expenses & Time-Tracking
Democratizing Financial Services Worldwide
Free Desktop book-keeping software for small-businesses & freelancers
The base version of NexoPOS, which is a web-Based Point Of Sale (POS)
SME Accounting package, General Ledger, Debtors, Creditors, Stock
An autonomous agent for deep financial research
Data science spreadsheet with Python & SQL
FinceptTerminal is a modern finance application
LLM-driven A/H/US stock intelligent analyzer
A Python-based development platform for automated trading systems
AI-native CLI for trading Kalshi prediction markets
Track and evaluate the performance of your investment portfolio
AI-driven, local-first quantitative trading platform for research