Best Open-Source Bookkeeping Software 2026: 6 Options Compared

Bookkeeping is the narrower job of recording and categorizing transactions so that someone can produce statements from them, and open-source tools handle it in two quite different styles. Graphical programs such as GnuCash and LedgerSMB present accounts, registers and forms that follow the shape of a paper ledger, which helps if you are new to double-entry. Plain-text tools such as hledger and Beancount have you write transactions in a file and run commands to report on them, which gives you a diffable history and easy automation but a steeper start. Bigcapital and ERPNext sit in between as web applications with invoicing and users. A sole proprietor with a few hundred transactions a year rarely needs more than the first group, whereas a business with employees entering data will want a web app with logins. Think about import as well: bank statements arrive as CSV, and each tool handles messy files differently, so try one real month. Finally, keep your chart of accounts simple and written down, because switching software later is mostly a matter of mapping categories. Whatever you choose, schedule a monthly bank reconciliation, since that check catches more errors than any feature.

GnuCash

GPL desktop software with a register-style interface for Windows, macOS and Linux. It lacks built-in bank feeds, so you import statements.

Price: Free (double-entry accounting program with no price on its site) (GnuCash pricing, checked 2026-10-22).

Platforms and license: Windows, macOS, Linux. GNU GPL (open source) (license source).

Best for: Beginners learning double-entry bookkeeping.

Worth knowing: It is a desktop program, so it has no built-in bank feeds or online invoicing.

LedgerSMB

GPLv2 web ledger with invoicing, projects and timecards on PostgreSQL. Setup means Perl, a database and a web server, and the Docker quick start is not suitable for production.

Price: Free (Free self-hosted software; the repository page lists no price) (LedgerSMB pricing, checked 2026-10-23).

Platforms and license: Web, Self-hosted. GPL-2.0 (open source) (license source).

Project activity: 571 GitHub stars · latest release 1.13.8 (Sep 11, 2026) · last commit Oct 26, 2026

Best for: Small firms with several people entering data.

hledger

GPL-3.0-or-later plain-text bookkeeping from the command line, with terminal and web interfaces. It is free, and sponsorship is optional.

Price: Free (Free plain-text accounting; the project invites optional sponsorship) (hledger pricing, checked 2026-10-24).

Platforms and license: Windows, macOS, Linux. GPL-3.0-or-later (open source) (license source).

Project activity: 4.8k GitHub stars · latest release 1.52.4 (Sep 10, 2026) · last commit Oct 27, 2026

Best for: Technical users who automate imports.

Beancount

GPL-2.0-only text-file bookkeeping that loads transactions into memory to produce reports. The author says he never asks for money; donations are voluntary.

Price: Free (Free and open source; the author accepts voluntary donations) (Beancount pricing, checked 2026-10-24).

Platforms and license: Python. GPL-2.0-only (open source) (license source).

Project activity: 6.1k GitHub stars · last commit Aug 23, 2026

Best for: Developers who value a strict plain-text format.

Bigcapital

AGPL-3.0 web accounting you self-host with Docker. The hosted cloud starts at $20 a month on Capital Basic and has no free plan.

Price: Free (open-source edition is free to self-host with Docker; Bigcapital Cloud has a 14-day trial and no free plan); paid from $20 per month (Capital Basic, cloud) (Bigcapital pricing, checked 2026-10-23).

Platforms and license: Web, Self-hosted. AGPL-3.0 (open source) (license source).

Project activity: 4k GitHub stars · latest release v0.25.45 (Oct 23, 2026) · last commit Oct 27, 2026

Best for: Teams wanting a web interface without a subscription.

ERPNext

GPL-3.0 ERP with an accounting module covering transactions through financial reporting. It is heavier than a bookkeeping tool, so it suits businesses that will use more of it.

Price: Free (Free to self-host; Frappe Cloud is the managed option) (ERPNext pricing, checked 2026-10-22).

Platforms and license: Web, Self-hosted. GPL-3.0 (open source) (license source).

Project activity: 40.7k GitHub stars · latest release v15.124.1 (Oct 22, 2026) · last commit Oct 27, 2026

Best for: Companies that bookkeep inside a wider ERP.

Worth knowing: Its Accounting module covers recording transactions through financial reporting. Running it yourself means handling hosting, upgrades and backups.

Which one to pick

• You are new to double-entry and work alone: GnuCash
• Your books should live in git and be scripted: hledger
• Several staff need logins to enter transactions: LedgerSMB
• You want a modern web interface and can run Docker: Bigcapital
• You want to be strict about plain-text data: Beancount