Business · Updated October 2026
QuickBooks is Intuit's accounting software for invoicing, expenses, and bookkeeping. If you would rather own your tools, here are 5 open source alternatives to QuickBooks, ranked by GitHub stars. Each one is free to use under its license, and you can read, change, and often self-host the code.
ERPNext is both the most popular, with 40.4k stars, and the most recently updated, with a commit on Oct 21, 2026.
| Project | Stars | License | Language | Last commit |
|---|---|---|---|---|
 ERPNext | 40.4k | GPL-3.0 | Python | Oct 21, 2026 |
 Invoice Ninja | 10.3k | Other | PHP | Oct 20, 2026 |
 Akaunting | 10.2k | Other | PHP | Oct 8, 2026 |
 GnuCash | 4.4k | Other | C | Oct 20, 2026 |
 Bigcapital | 4k | AGPL-3.0 | TypeScript | Oct 21, 2026 |
by frappe
Free and Open Source Enterprise Resource Planning (ERP)
by invoiceninja
A source-available invoice, quote, project and time-tracking app built with Laravel
by akaunting
Online Accounting Software
by Gnucash
GnuCash Double-Entry Accounting Program.
by bigcapitalhq
💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.
By GitHub stars, ERPNext is the most popular open source alternative to QuickBooks right now, with 40.4k stars, followed by Invoice Ninja and Akaunting. The best fit depends on your setup, so compare their licenses, languages, and recent activity in the table above.
Yes. All 5 projects on this page are open source, so the software itself is free to use, study, and change. Some of them also sell a hosted version or paid support.
ERPNext (last commit Oct 21, 2026), Bigcapital (last commit Oct 21, 2026), and GnuCash (last commit Oct 20, 2026) have the most recent commits. Licenses on this list include GPL-3.0 and AGPL-3.0.
