Top Open Source Accounting Software Tools in 2026
A curated collection of the 11 best free and open-source Accounting Software tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.
Flowglad
Unified workspace for cross-system automations
Stars1,718Last commit3mo agoLicenseOpen Source
OpenSERP
Free self-hosted SERP API for 6 search engines
Stars1,307Last commit1mo agoLicenseMITMidday
All-in-one business stack for modern founders
Stars14,927Last commit2mo agoLicenseAGPL-3.0Frappe Books
Free open-source desktop accounting software
Stars4,904Last commit6mo agoLicenseAGPL-3.0ezBookkeeping
Open source self-hosted personal finance manager
Stars5,475Last commit11d agoLicenseMITExpensify
Automate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
Stars5,013Last commit10d agoLicenseMIT
ERPNext
Free and open source ERP solution
Stars38,560Last commit10d agoLicenseGPL-3.0Crater
Embedded AR/AP automation for fintech platforms
Stars8,341Last commit43mo agoLicenseAGPL-3.0
CodeZero
Build no-code backends and workflows instantly
Stars53Last commit1mo agoLicenseOpen SourceBigcapital
Modern open-source accounting software
Stars3,864Last commit10d agoLicenseAGPL-3.0
Akaunting
Open-source accounting software for small businesses
Stars10,094Last commit11d agoLicenseOpen Source
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Showing 11 of 11 open-source tools