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
Free and Open Source Invoicing, Expenses & Time-Tracking
Accounting & Best Practice Business Administration System
Free & Open Source Invoice App for Freelancers & Small Businesses
Accounts33.zip is a MS Excel VBA Software of Financial Accounting
Online Accounting Software
A super simple way to create & send invoices, receive payments online
Enterprise project management replacement for Project Server
Free, easy, personal accounting for everyone
Accounting system for smaller companies written in GnuCobol.
Fast, modular open source CRM for growing businesses
A full ERP system - moved to GitHub. See full description for details.
osfinancials accounting and business processing software
Human way of Accounting