What it is
Bigcapital is an open-source accounting and inventory software project for small and medium businesses. It belongs to the business software category and the finance and accounting ecosystem, is written in TypeScript, and is released under the AGPL-3.0 license. The project describes itself as independent financial accounting with intelligent reporting, and it positions itself as an alternative to Quickbooks, Xero, and Wave.
It solves the problem of keeping core business finances in one place while automating routine accounting work. The README says Bigcapital keeps all business finances in the right place and automates accounting processes to provide financial statements and reports for decision making. The topic list adds concrete areas such as bills, expenses, invoicing, payments, inventory, and double-entry accounting.
Key capabilities
- It handles bills, expenses, invoices, payments, and inventory as core accounting and business operations records.
- It uses double-entry accounting to organize transactions and produce financial statements.
- It generates intelligent reports that are intended to help users make business decisions.
- It offers headless accounting through an API, allowing another system to send transactions into Bigcapital.
- It supports self-hosted deployment with Docker and Docker Compose.
- It provides a local setup path and a Gitpod development workspace for contributors.
- It publishes documentation, an API reference, release changelogs, and a public bug tracker.
Who uses it and how
- Small and medium businesses use it as online accounting software for routine financial tracking and reporting.
- Self-hosters deploy it on their own servers with Docker or Docker Compose to keep the application under their own control.
- Developers integrate the Bigcapital API with existing systems so transactions can be organized in a double-entry structure.
- Contributors use the local setup guide or the Gitpod workspace to work on the codebase.
- Users and operators consult the documentation, API reference, Discord, and bug tracker for usage, extension, and issue reporting.
Getting started
The README points to self-hosted deployment with Docker and Docker Compose, local setup through the contribution guide, and a Gitpod workspace for development. It also names Bigcapital Cloud and links to documentation, an API reference, and a Postman collection for the API.
When to use it — and when not to
Bigcapital is useful when a business wants open-source accounting and inventory features without depending on Quickbooks, Xero, or Wave, and when it can operate a self-hosted Docker deployment. The AGPL-3.0 license and self-hosted model mean users must manage their own infrastructure and review license obligations for modifications. The provided metadata lists a repository age of 0 years, 214 open issues, and 0 contributors, so teams should verify current maintenance, support capacity, and production readiness before adoption.
project readme (upstream, from github) — read inline
Simple, smart online accounting software for small and medium businesses.
Bigcapital Cloud
What's Bigcapital?
Bigcapital is a smart and open-source accounting and inventory software, Bigcapital keeps all business finances in right place and automates accounting processes to give the business powerful and intelligent financial statements and reports to help in making decisions.
Getting Started
We've got serveral options on dev and prod depending on your need to get started quickly with Bigcapital.
Self-hosted
Bigcapital is available open-source under AGPL license. You can host it on your own servers using Docker.
Docker
To get started with self-hosted with Docker and Docker Compose, take a look at the Docker guide.
Development
Local Setup
To get started locally, we have a guide to help you.
Gitpod
- Click the Gitpod button below to open this project in development mode.
- This will open and configure the workspace in your browser with all the necessary dependencies.

Headless Accounting
You can integrate Bigcapital API with your system to organize your transactions in double-entry system to get the best financial reports.

Resources
Changelog
Please see Releases for more information what has changed recently.
Contact us
Meet our sales team for any commercial inquiries.

Recognition
Contributors
Thanks goes to these wonderful people (emoji key):