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
Free Desktop book-keeping software for small-businesses & freelancers
Calculates income tax form entries, helps do your taxes.
Free and Open Source Invoicing, Expenses & Time-Tracking
SME Accounting package, General Ledger, Debtors, Creditors, Stock
A super simple way to create & send invoices, receive payments online
Online Accounting Software
Accounts33.zip is a MS Excel VBA Software of Financial Accounting
Free & Open Source Invoice App for Freelancers & Small Businesses
Accounting & Best Practice Business Administration System
Accounting system for smaller companies written in GnuCobol.
Human way of Accounting
Free Invoice & Billing Software for Windows, Linux & Mac
Enterprise project management replacement for Project Server
A full ERP system - moved to GitHub. See full description for details.
Free, easy, personal accounting for everyone