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5 Best Open-Source Alternatives to QuickBooks (2026)

Last checked October 2026 · 16 alternatives to QuickBooks in our catalog

QuickBooks paid plans start at $12.50/month, which is why people look for an open-source alternative. Below are 5 open-source options you can inspect, modify and often self-host - 5 are completely free, 1 runs on Linux and 4 work in the browser.

Quick picks

Picked from listing data (price model, license, platforms, community votes), not hands-on testing.

QuickBooks alternatives compared

AlternativePriceOpen sourcePlatformsWhat it is
AkauntingFreeYes (Other)WebFree, open‑source accounting software for small businesses and freelancers
BigCapitalFreeYes (AGPL-3.0)WebOpen-source accounting software — a self-hosted alternative to QuickBooks and Xero
GnuCashFreeYesWindows, Mac, LinuxFree, open-source double-entry accounting software for personal finances and small businesses.
Invoice NinjaFreeYes (Elastic-2.0)WebInvoice, quote, project and time-tracking app built with Laravel
ERPNextFreeYes (GPL-3.0)WebOpen-source ERP solution for businesses
1
Akaunting

Akaunting

FreeOpen source · OtherWeb

Free, open‑source accounting software for small businesses and freelancers

  • Completely free core version
  • Open‑source with community contributions
  • Web‑based, accessible from any browser
  • Advanced modules may require paid add‑ons
  • Limited mobile app functionality
2
BigCapital

BigCapital

FreeOpen source · AGPL-3.0Web

Open-source accounting software — a self-hosted alternative to QuickBooks and Xero

  • Free and open-source alternative to QuickBooks/Xero
  • Self-hostable for full data ownership
  • Intelligent financial reporting
  • Requires self-hosting and technical setup
  • Smaller ecosystem than commercial incumbents
3
GnuCash

GnuCash

FreeOpen sourceWindowsMacLinux

Free, open-source double-entry accounting software for personal finances and small businesses.

  • Completely free with no subscription, ads, or paid tiers, ever.
  • Open-source codebase means the software cannot be discontinued by a single company's business decision.
  • Runs natively on Windows, macOS, and Linux, unlike most commercial accounting software tied to one platform.
  • Interface looks and feels dated compared to modern cloud accounting tools like QuickBooks or Xero.
  • No official mobile app or cloud sync, so data lives locally on the desktop it was created on.
4
Invoice Ninja

Invoice Ninja

FreeOpen source · Elastic-2.0Web

Invoice, quote, project and time-tracking app built with Laravel

  • Free and open-source
  • Customizable invoices and quotes
  • Multi-user support
  • Limited customer support
  • Steep learning curve for non-technical users
5
ERPNext

ERPNext

FreeOpen source · GPL-3.0Web

Open-source ERP solution for businesses

  • Comprehensive feature set for managing various business functions
  • Highly customizable to meet specific business needs
  • Open-source and community-driven, ensuring continuous improvement
  • Steep learning curve due to the complexity of the system
  • Limited support options for non-technical users

Frequently asked questions

What is the best free alternative to QuickBooks?

Akaunting is the first free alternative we list for QuickBooks and has no paid tier. Others worth a look: BigCapital, GnuCash and Invoice Ninja. Which one fits depends on what you use QuickBooks for, so check the platform and free-plan details for each.

Is there an open-source alternative to QuickBooks?

Yes: Akaunting, BigCapital, GnuCash, Invoice Ninja and ERPNext. Open-source options can usually be inspected, modified and self-hosted.

Does QuickBooks have a free plan?

We don't list a free plan for QuickBooks; paid plans start at $12.50/month. That price is the main reason people look at the options on this page.

How this list is built: alternatives come from our catalog's curated alternative relationships; price model, license and platforms come from each product's listing; order is fully-free first, then community votes.