Best Open-source Accounting & Invoicing tools

Explore curated open-source tools in the Accounting & Invoicing category. Compare technologies, see alternatives, and find the right solution for your workflow.

10+ projects · Page 1 of 1

FOSSBilling logo

FOSSBilling

Open-source billing and client management for hosting businesses

Stars
1,648
License
Apache-2.0
Last commit
5 hours ago
PHPActive
metasfresh logo

metasfresh

Responsive Open Source ERP with Modern Web Interface

Stars
2,375
License
Last commit
5 hours ago
JavaActive
Bigcapital logo

Bigcapital

Smart accounting and inventory software for small businesses

Stars
3,789
License
AGPL-3.0
Last commit
6 hours ago
TypeScriptActive
Akaunting logo

Akaunting

Modern online accounting software for small businesses and freelancers

Stars
9,967
License
Last commit
9 hours ago
PHPActive
Invoice Ninja logo

Invoice Ninja

Source-available invoicing and time-tracking app built with Laravel

Stars
9,892
License
Last commit
19 hours ago
PHPActive
InvoicePlane logo

InvoicePlane

Self-hosted invoicing platform for managing clients and payments

Stars
3,086
License
Last commit
19 hours ago
PHPActive
Aureus ERP logo

Aureus ERP

Modern open-source ERP built with Laravel and FilamentPHP

Stars
11,546
License
MIT
Last commit
1 day ago
PHPActive
Frappe Books logo

Frappe Books

Modern offline-first accounting software for small businesses

Stars
4,829
License
AGPL-3.0
Last commit
1 month ago
TypeScriptActive
IDURAR logo

IDURAR

Full‑stack ERP & CRM with invoicing, quotes, and accounting

Stars
8,555
License
AGPL-3.0
Last commit
2 months ago
JavaScriptActive
Crater logo

Crater

Open-source invoicing and expense tracking for businesses

Stars
8,322
License
AGPL-3.0
Last commit
1 year ago
PHPDormant