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, and project status.
Personal and small-business finance manager
Open source ERP and CRM web software for business
uniCenta oPOS - dynamically evolving POS project
Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
SME Accounting package, General Ledger, Debtors, Creditors, Stock
Accounting & Best Practice Business Administration System
Online Accounting Software
Calculates income tax form entries, helps do your taxes.
Accounts33.zip is a MS Excel VBA Software of Financial Accounting
Free & Open Source Invoice App for Freelancers & Small Businesses
Human way of Accounting
osfinancials accounting and business processing software
A full ERP system - moved to GitHub. See full description for details.
A super simple way to create & send invoices, receive payments online
Free Invoice & Billing Software for Windows, Linux & Mac
The Open Source Invoice Management Software