Browse free open source Accounting software and projects for Windows below. Use the toggles on the left to filter open source Accounting software by OS, license, language, programming language, project status, and freshness.
Personal and small-business finance manager
Open source ERP and CRM web software for business
uniCenta oPOS - dynamically evolving POS project
Free and Open Source Invoicing, Expenses & Time-Tracking
A super simple way to create & send invoices, receive payments online
Free Desktop book-keeping software for small-businesses & freelancers
Free & Open Source Invoice App for Freelancers & Small Businesses
Accounting & Best Practice Business Administration System
SME Accounting package, General Ledger, Debtors, Creditors, Stock
Human way of Accounting
Enterprise project management replacement for Project Server
A full ERP system - moved to GitHub. See full description for details.
Calculates income tax form entries, helps do your taxes.
osfinancials accounting and business processing software
The Open Source Invoice Management Software
Free download templates for Excel to Tally. Import excel data in Tally
Free ERP and Accounting Software
jBilling is a web-based enterprise billing system.