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Open-Source Zoho Books Alternatives (2027): 11 Self-Hosted Accounting and Invoicing Tools, From Bigcapital and Frappe Books to ERPNext, InvoicePlane and Kimai

Open-Source Zoho Books Alternatives: Self-Hosted Accounting and Invoicing Software You Control

Zoho Books is a polished cloud accounting app, and its Free plan is generous for a very small business. But it is rented software: features such as multi-currency, inventory and timesheet billing sit in higher plans, the Free plan ends once your revenue passes a threshold, and your books live on Zoho's servers. Zoho Books is not open source, so you cannot download it, host it yourself or change its code. This guide lists open-source tools that take over Zoho Books' jobs one by one: full double-entry accounting, invoicing with a client portal, billing for time, stock and local tax. We read each project's licence on its official repository and checked its latest release on 4 November 2026. Tools that turned out to be source-available, abandoned or changed are listed separately.
Quick answer: for the closest match to Zoho Books in a browser, self-host Bigcapital. If you sell products in India or need stock and a point of sale, choose Frappe Books, or ERPNext for a full ERP. If you mainly send invoices and quotes, InvoicePlane or SolidInvoice (both MIT) are enough, and Kimai turns timesheets into invoices. For a suite that also replaces Zoho CRM, look at Dolibarr or Odoo Community. A solo founder on one laptop can simply use GnuCash. Akaunting and Invoice Ninja are free to self-host but are not open source.
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What Zoho Books Offers in 2027, Plan by Plan

On the global Zoho Books pricing page (US dollars, per organisation, excluding tax, checked 4 November 2026), the Free plan costs $0 for 1 user plus 1 accountant. It covers invoices, quotes, expenses and journals, a self-service customer portal, payment reminders, recurring invoices, bank reconciliation and more than 50 reports. The FAQ sets the limits: the plan stays free while your revenue for the financial year is under 50K USD, with up to 1,000 invoices and 1,000 expenses a year, and add-ons other than document autoscans are not supported.
Paid plans are shown at $12 a month, or $10 billed annually, for Standard (3 users, bank feeds, API access); $24 or $20 for Professional (5 users), which is where sales and purchase orders, multi-currency, timesheet billing, project profitability and inventory start; $36 or $30 for Premium (10 users, budgets, fixed assets, vendor portal); $129 or $100 for Elite (warehouses, serial and batch tracking); and $249 or $200 for Ultimate (business intelligence). The homepage also warns that the global version should be checked for local compliance before use. Those are the jobs the open-source tools below have to cover.

Open-Source Zoho Books Alternatives Compared

ToolZoho Books job it takes overLicenceLatest release we sawHow it runs
BigcapitalBooks, invoices, expenses, stock, bank feedsAGPLv3v0.25.45, 23 Oct 2026Self-hosted web app (Docker)
Frappe BooksBooks, invoices, stock, POS, India GSTAGPLv3v16.1.0, 30 Oct 2026Self-hosted web app
ERPNextAccounting plus stock, buying, CRM, projects, HRGPLv3v16.53.0, 28 Oct 2026Self-hosted, or hosted by Frappe
Odoo CommunityInvoices, payments, billsLGPLv3Rolling releasesSelf-hosted web app
DolibarrBilling, bank reconciliation, double entry, CRMGPLv324.0.2Self-hosted, or SaaS from partners
InvoicePlaneQuotes, invoices, clients, paymentsMITv1.7.2, 28 Aug 2026Self-hosted web app
SolidInvoiceQuotes, invoices, online paymentsMIT (core)3.1.2, 21 Oct 2026Self-hosted, or hosted plans
KimaiTimesheets and invoices for project workAGPLv32.71.0, 25 Oct 2026Self-hosted, or Kimai Cloud
GnuCashDouble-entry books, invoices, billsGPL v2 or v35.17, 27 Sep 2026Desktop: Windows, macOS, Linux
LedgerSMBBooks, invoices, orders, stockGPL1.13.8, 11 Sep 2026Self-hosted web app
FrontAccountingBooks, AR/AP, stock, fixed assetsGPLv32.4.20, 28 Apr 2026Self-hosted web app
Sources: each project's official website, licence file and GitHub releases, checked 4 November 2026. Self-hosting costs no licence fee, but servers, backups and support do.

Full Accounting Like Zoho Books

1. Bigcapital: the closest open-source match to Zoho Books

Bigcapital is open-source, AI-native accounting software for bookkeeping, invoicing, expenses, inventory and real-time financial reports. Like Zoho Books it is a web app built around sales and purchase invoices, receivables and payables, multi-currency, bank feed syncing with reconciliation and the standard reports. The Bigcapital repository is AGPLv3 and shipped v0.25.45 on 23 October 2026. There is no hosted version to sign up for yet: the website says Bigcapital Cloud is coming soon and that you should self-host with Docker in the meantime. On a self-hosted copy, automatic bank feeds need your own Plaid account.

2. Frappe Books: simple books with stock, POS and India GST

Frappe Books is free and open-source accounting software from the makers of ERPNext. It now runs on the Frappe Framework on your own server, so your team uses it in a browser on a computer or a phone; the old desktop app is no longer supported. You send quotes, turn them into invoices and record payments, with price lists, discounts, coupons and loyalty points built in, plus stock across locations with batches, expiry dates and serial numbers, and a point of sale. Reports cover profit and loss, balance sheet, general ledger and trial balance, and for India it prepares GSTR-1 and GSTR-2, which matters because many Zoho Books users file GST. The Frappe Books repository is AGPLv3; v16.1.0 came out on 30 October 2026.

3. ERPNext: when Zoho Books plus Zoho Inventory is not enough

ERPNext is a free and open-source ERP whose code is GPLv3; version 16 is current, with v16.53.0 released on 28 October 2026 and the v15 line still getting fixes. Its accounting covers several companies and currencies, the general ledger, payables and receivables, financial statements, fixed assets and tax, and the same system runs stock, buying, selling, CRM, projects and HR. That makes it the open-source answer for a company that has outgrown Zoho Books' Professional or Elite plan and would otherwise add more Zoho apps. You can self-host it, or pay Frappe to host it on Frappe Cloud. Expect a real setup project rather than a quick sign-up.

Open-Source Business Suites: Replacing More of Zoho

4. Odoo Community: free invoicing linked to CRM and sales

Odoo publishes its Community edition under the LGPLv3. Its finance app there is Invoicing: create and send invoices, record payments and handle vendor bills, next to CRM, sales, inventory and many other apps. The full Accounting app, with the general ledger, bank reconciliation and financial reports, belongs to the paid Enterprise edition, according to Odoo's editions comparison. So Odoo Community replaces Zoho Books only for a startup that invoices from its CRM and leaves the books to an outside accountant.
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5. Dolibarr: modular ERP and CRM with double-entry accounting

Dolibarr is an open-source ERP and CRM under the GPLv3, for companies, freelancers and associations; version 24.0.2 is the latest. You switch on only the modules you need. For a Zoho Books user the useful ones are billing and payments, bank reconciliation and double-entry accounting, next to quotes, orders, stock, a CRM, emailing and surveys. It is the closest open-source idea of a small Zoho suite in one install, and you can run it on your own server or buy a SaaS offer from a partner.

Invoicing, Client Payments and Timesheet Billing

6. InvoicePlane: self-hosted quotes, invoices and payments

InvoicePlane is a self-hosted open-source application for managing quotes, invoices, clients and payments, published under the MIT licence. Clients can pay online through providers such as PayPal and Stripe, and you can keep products and tasks to add to invoices, track payments, send reminders and run reports. Version 1.7.2 came out on 28 August 2026, and the InvoicePlane repository is still active. The project says it is not a commercial product and is developed in its team's free time, so plan your own support. It does not keep double-entry books: pair it with an accountant or one of the tools above.

7. SolidInvoice: MIT invoicing with an optional hosted plan

SolidInvoice is invoicing software for freelancers and small businesses: quotes that turn into invoices, client records and online payments through Stripe and PayPal. Its core is open source under the MIT licence and runs on your own server with Docker or Homebrew; release 3.1.2 came out on 21 October 2026. If you prefer not to host it, the website lists a hosted Free plan for 3 active clients and 5 invoices a month, with paid plans from $9 a month. Recurring billing and automatic reminders are listed for the paid hosted plans, so check what the self-hosted core includes before you rely on them.

8. Kimai: turn tracked time into invoices

Kimai is a time tracker for project-driven teams, made in Austria and published as 100% open source under the AGPL 3. It replaces the timesheet and project-billing part of Zoho Books' Professional plan: you track hours per customer and project, then create invoices from configurable templates and export them as PDF or DOCX. You can self-host it with Docker or run it in Kimai's cloud; version 2.71.0 came out on 25 October 2026. Some extras, such as expense tracking, are paid plugins.

Classic Open-Source Bookkeeping

9. GnuCash: free double-entry books on one computer

GnuCash is personal and small-business accounting software under the GNU GPL, built by volunteers, for Windows, macOS and Linux; version 5.17 came out on 27 September 2026. It keeps double-entry books with customers, vendors, invoices, bills, budgets and multiple currencies, and imports bank statements as OFX or QIF files. Unlike Zoho Books it is a desktop app with no customer portal and no shared online access, so it suits a solo founder rather than a team.

10. LedgerSMB: accounting and ERP for growing companies

LedgerSMB is open-source accounting and ERP for small and mid-size businesses under the GPL: invoices, orders and quotations, receivables and payables, a general ledger, inventory and fixed assets, in 45 languages. Its 1.13 series is the current stable line, and patch 1.13.8 came out on 11 September 2026. It suits a business with many transactions that wants a correct, conservative system.

11. FrontAccounting: no-frills web accounting

FrontAccounting is a free web-based accounting system for small companies under the GNU GPL, run as a non-profit project. Release 2.4.20 came out on 28 April 2026. It covers purchasing and sales, receivables and payables, inventory, manufacturing, fixed assets and a general ledger with budgets, in several languages, currencies and companies.

Not Open Source, Abandoned or Changed

The 2025 version of this article listed ten tools. Here is what changed, plus three names that often appear in Zoho Books comparisons:
  • Akaunting: free to self-host, but its licence file is the Business Source License 1.1, which limits production use to 2 users, one company and 1,000 invoices and turns each version into GPLv3 only four years later. Not open source by the usual definition, though it is actively developed (3.3.0 came out on 27 October 2026).
  • Invoice Ninja: popular and actively developed (v5.13.53 came out on 2 November 2026), but its code is published under the Elastic License 2.0, a source-available licence, not an open-source one. Its free hosted plan is covered in our free Zoho Books alternatives.
  • Crater: the code is AGPLv3, but the last release, 6.0.6, dates from March 2022 and the repository has had no new code since August 2024. We treat it as abandoned.
  • SQL-Ledger: the latest download is still 3.2.12 from January 2023; an announced 3.2.13 never appeared. LedgerSMB is its maintained fork.
  • Apache OFBiz: still maintained (24.09.07 came out in June 2026), but it is an ERP framework for developers rather than an app that replaces Zoho Books; our open-source QuickBooks alternatives cover it.

Which Open-Source Zoho Books Alternative Should You Choose?

  • You want Zoho Books' look and bank feeds, self-hosted: Bigcapital.
  • You file GST in India or sell from a counter: Frappe Books.
  • You would otherwise add Zoho Inventory, CRM and People: ERPNext.
  • You want CRM, quotes and accounting in one light install: Dolibarr.
  • You invoice from your CRM and an accountant keeps the books: Odoo Community.
  • You only need quotes, invoices and online payments: InvoicePlane or SolidInvoice.
  • You bill clients by the hour: Kimai, next to an accounting tool.
  • You are a solo founder doing your own books: GnuCash.
  • You have many transactions and an in-house bookkeeper: LedgerSMB or FrontAccounting.
  • You do not want to run a server: stay on a hosted free plan, such as Zoho Books Free itself while you are under its revenue limit.

How Founders Replace Zoho Books With Open-Source Tools

Most founders do not swap one app for one app. A common setup is one accounting tool (Bigcapital, Frappe Books or ERPNext) plus a lighter invoicing or time-tracking tool for client work, with one person in charge of updates and backups. Switch at the start of a month or quarter, move contacts, items, open invoices and opening balances first, and keep Zoho Books read-only until your accountant has checked the first month. If you would rather stay on a hosted free plan, compare our free Zoho Books alternatives; if you are leaving Intuit instead, our open-source QuickBooks alternatives explain migration tools and QuickBooks Free, and our open-source Sage alternatives cover Tryton, iDempiere and plain-text accounting. Bank reconciliation is where most switches go wrong, so read our guide to the best reconciliation software and see how to set up estimates and invoices for a service business.
Leaving Zoho usually means more than Books. Our open-source Zoho Desk alternatives replace the help desk, open-source Expensify alternatives handle expense claims, open-source Stripe alternatives take payments, and open-source Zapier alternatives move data between them. If you need your own approval forms or internal apps on top, see our open-source Mendix alternatives for low-code platforms. Before you spend on any software, validate your startup idea and plan your costs with the marketing budget calculator.
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FAQ About Open-Source Zoho Books Alternatives

Is Zoho Books open source?

No. Zoho Books is proprietary cloud accounting software that runs on Zoho's servers. Open-source alternatives such as Bigcapital, Frappe Books, ERPNext, Dolibarr and GnuCash can be downloaded, self-hosted and changed.

Is Zoho Books free in 2027?

There is a Free plan. In November 2026 the global pricing page listed it at $0 for 1 user plus 1 accountant, free while yearly revenue stays under 50K USD, with up to 1,000 invoices and 1,000 expenses a year.

Which open-source tool is most like Zoho Books?

Bigcapital: a web app for invoicing, expenses, inventory, bank feeds and financial reports, AGPLv3, self-hosted with Docker. A hosted Bigcapital Cloud was announced as coming soon.

Is there an open-source alternative to Zoho Books for India GST?

Frappe Books prepares GSTR-1 and GSTR-2 for GST returns and runs on your own server. ERPNext, from the same company, suits larger businesses.

Is there an open-source alternative to the whole Zoho suite?

The closest are ERPNext, Dolibarr and Odoo Community, which combine accounting or invoicing with CRM, sales and stock. Odoo's full Accounting app is in its paid Enterprise edition.

What is the best open-source alternative to Zoho Invoice?

InvoicePlane and SolidInvoice, both under the MIT licence, handle quotes, invoices, clients and online payments. Kimai is better if you bill by the hour.

Is Akaunting open source?

Not by the usual definition. Its licence is the Business Source License 1.1, which limits free production use to 2 users, one company and 1,000 invoices.

Is Invoice Ninja open source?

No. Its code is public but published under the Elastic License 2.0, which is source-available. It is actively developed and has a free hosted plan.

Is Crater still maintained?

It does not look like it. Its last release, 6.0.6, came out in March 2022, and the repository has had no new code since August 2024.

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About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. Throughout her startup experience she has applied for multiple startup grants at the EU level, in the Netherlands and Malta, and her startups received quite a few of those. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.
2026-11-04 17:49 Top Alternatives