ERPNext
Leading#1 in Open sourcehigh confidence
Most-adopted open-source accounting/ERP (~37k★) — a full double-entry accounting module (GL, invoicing, tax, reports) positioned as the OSS QuickBooks/SAP alternative for SMBs.Our read
Why it ranks #1
The clear adoption leader in this track at 37,223 GitHub stars, with repeated inclusion in open-source accounting roundups and active ERP/self-hosting community discussion.Here is the catch
implementation, upgrades and process design require real ERP expertise
community users report uneven or outdated documentation
self-hosting adds operational and database administration work
Does this well
unusually complete business suite around the accounting core
highly customizable through Frappe, APIs and custom apps
large open-source community and implementation ecosystem
Pricing
Checked by hand on 2026-07-23. Prices in this category change often — if this looks wrong, it probably is.
Key features
General ledger, receivables and payablesInvoicing, tax and financial reportingInventory and order managementProjects, payroll and CRM modules
Sources we read
Quick facts
More in this area
The rest of the Open source column.- 2Firefly IIIThe recognized self-hosted double-entry finance manager (~24k★); the go-to open-source app for tracking accounts, budgets and transactions.
- 3AkauntingPopular self-hosted web accounting for small businesses and freelancers (~10k★): invoicing, expense tracking, banking and tax management.
- 4Invoice NinjaWidely used self-hosted invoicing, billing and expense platform (~9.9k★) for freelancers and small businesses.
- 5LedgerThe original plain-text, command-line double-entry accounting tool (~6k★); the foundation of the plaintext-accounting movement.
- 6BeancountPlain-text double-entry accounting language and toolset (~5.8k★, with the Fava web UI); favored by developers who script and automate their books.
- 7hledgerRobust, actively maintained plain-text accounting tool (~4.6k★) — a Ledger-compatible reimplementation with strong CLI, web and reporting.