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