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
SME Accounting package, General Ledger, Debtors, Creditors, Stock
A full ERP system - moved to GitHub. See full description for details.
Accounting & Best Practice Business Administration System
Enterprise project management replacement for Project Server
osfinancials accounting and business processing software
The Open Source Invoice Management Software
Free and Online Accounting Software
Cross-plattform java invoicing and accounting application