Browse free open source Accounting software and projects 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
Calculates income tax form entries, helps do your taxes.
Free Desktop book-keeping software for small-businesses & freelancers
SME Accounting package, General Ledger, Debtors, Creditors, Stock
Accounting & Best Practice Business Administration System
Free and Open Source Invoicing, Expenses & Time-Tracking
Online Accounting Software
A full ERP system - moved to GitHub. See full description for details.
Accounts33.zip is a MS Excel VBA Software of Financial Accounting
Free & Open Source Invoice App for Freelancers & Small Businesses
Free Invoice & Billing Software for Windows, Linux & Mac
The Open Source Invoice Management Software
Enterprise project management replacement for Project Server
Free and Online Accounting Software
A portfolio tracking, analytics, accounting and tax reporting app