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Smart accounting and inventory software for small businesses
Open-source financial accounting platform with double-entry bookkeeping, intelligent reporting, and inventory management for small and medium businesses.
Bigcapital is a comprehensive accounting and inventory management platform designed for small and medium businesses that need professional-grade financial tools without enterprise complexity. Built on double-entry accounting principles, it automates bookkeeping processes while delivering intelligent financial statements and reports that drive informed decision-making.
Available under the AGPL-3.0 license, Bigcapital can be self-hosted via Docker for complete data control, or accessed through the managed cloud offering. The platform handles invoicing, bills, expenses, payments, and inventory tracking in a unified interface, keeping all business finances organized and accessible.
For teams building custom solutions, Bigcapital offers a headless accounting API that integrates double-entry accounting into existing systems. Whether you're running a standalone deployment or embedding financial capabilities into your product, Bigcapital provides the accounting infrastructure to generate accurate financial reports and maintain compliance.
When teams consider Bigcapital, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
E-commerce Financial Management
Track sales, expenses, and inventory in real-time with automated double-entry bookkeeping that generates accurate profit and loss statements for online retailers.
SaaS Revenue Recognition
Integrate Bigcapital's API into subscription platforms to automate revenue recording, invoice generation, and financial reporting without manual data entry.
Multi-Location Inventory Tracking
Manage stock levels across multiple warehouses while maintaining synchronized financial records that reflect true cost of goods sold and inventory valuation.
Freelance Business Operations
Self-host a complete accounting solution to manage client invoicing, expense tracking, and tax preparation without recurring software subscription costs.
Bigcapital is licensed under AGPL-3.0, which allows free use and modification but requires any derivative works to also be open-sourced if distributed or offered as a service.
Yes, Bigcapital offers a managed cloud version at bigcapital.app for users who prefer not to manage their own infrastructure.
Yes, Bigcapital is built on double-entry accounting principles, automatically organizing transactions to generate accurate financial statements and reports.
Bigcapital provides a headless API that allows you to integrate accounting functionality into your applications, with full API reference documentation available.
You can deploy Bigcapital using Docker and Docker Compose for self-hosting, set it up locally for development, or use Gitpod for browser-based development environments.
Project at a glance
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