Open Source Accounting Software
A curated collection of the best open source software for bookkeeping, financial reporting, and accounting tasks..
Comprehensive business management, tailored for you
Stars
40,868Last commit
9 hours agoLicense
GPL-3.0
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Open Source Alternative to:
Streamline your business finances and operations
Stars
15,113Last commit
5 months agoLicense
AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.
Open Source Alternative to:
Free online accounting for small businesses and freelancers
Stars
10,270Last commit
3 days agoLicense
Unknown
Self-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Open Source Alternative to:
Simplify expense management for businesses of all sizes
Stars
5,087Last commit
9 hours agoLicense
MIT
Automate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
AI-powered embedded AR/AP automation for platforms
Stars
8,356Last commit
2 years agoLicense
AGPL-3.0
Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.
Open Source Alternative to:
Lightweight self-hosted bookkeeping with AI receipt scanning
Stars
Stars growing over the last 30 days5,944Last commit
14 hours agoLicense
MIT
A privacy-first personal finance app with two-level accounts, multi-currency support, AI receipt recognition, and broad data import from formats like GnuCash and Firefly III.
Open Source Alternative to:
Automate financial processes for smarter business decisions
Stars
Stars growing over the last 30 days4,040Last commit
9 hours agoLicense
AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
Open Source Alternative to:
Modern desktop accounting made simple and free
Stars
5,007Last commit
1 month agoLicense
AGPL-3.0
A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.
Open Source Alternative to:
Cross-system automation and knowledge base for accounting firms
Stars
1,722Last commit
6 months agoLicense
Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
Windshift