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bigcapitalhq

bigcapitalhq/bigcapital

Open-source accounting and inventory software for small and medium businesses, with double-entry bookkeeping and financial reports.

Open-source alternative to:QuickBooksXeroWave

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yesterday

What is it?

Bigcapital is open-source online accounting software aimed at small and medium businesses. It keeps business finances in one place, automates bookkeeping steps, and produces financial statements and reports such as the balance sheet and chart of accounts.

The project covers invoicing, bills, expenses, payments and inventory, all organized on a double-entry accounting model. It is written in TypeScript and is licensed under AGPL-3.0. It can be self-hosted with Docker and Docker Compose, and a Docker deployment guide is provided.

Bigcapital also exposes an API so other systems can send transactions into its double-entry ledger, and an API reference is published for integrators. A hosted cloud version is offered by the same team.

Key features

  • 01Double-entry accounting with chart of accounts and balance sheet reporting
  • 02Invoicing, bills, expenses and payment tracking
  • 03Inventory management alongside accounting records
  • 04Self-hosted deployment with Docker and Docker Compose
  • 05API for integrating external systems with the ledger

Use cases

  • A small business that wants self-hosted bookkeeping instead of a subscription service
  • Issuing invoices and tracking bills and expenses for a small company
  • Connecting an existing application to a double-entry ledger through the API

Quick start

  1. 1

    Read the Docker self-hosting guide

  2. 2

    Open the local setup guide for development

Things to know

  • The README points to external guides for setup, so no single install command is given.
  • Licensed under AGPL-3.0, which requires source disclosure for modified network-served versions.

Topics

#accounting#invoicing#double-entry-accounting#inventory#typescript#self-hosted#docker#bills#expenses#financial

FAQ

What is bigcapital?
Open-source accounting and inventory software for small and medium businesses, with double-entry bookkeeping and financial reports. Bigcapital is open-source online accounting software aimed at small and medium businesses. It keeps business finances in one place, automates bookkeeping steps, and produces financial statements and reports such as the balance sheet and chart of accounts.
Is bigcapital free to use? What license does it have?
bigcapital is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is bigcapital still maintained?
Actively maintained. The last commit to bigcapital was on Oct 19, 2026.
What can I use bigcapital for?
A small business that wants self-hosted bookkeeping instead of a subscription service Issuing invoices and tracking bills and expenses for a small company Connecting an existing application to a double-entry ledger through the API
How do I install bigcapital?
Read the Docker self-hosting guide Open the local setup guide for development
Where can I get bigcapital?
The source code and installation instructions are on GitHub: https://github.com/bigcapitalhq/bigcapital

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