# GnuCash — Free Open-Source Accounting Software > A personal and small-business financial accounting application with double-entry bookkeeping, multi-currency support, and comprehensive reporting. ## Install Save in your project root: # GnuCash — Free Open-Source Accounting Software ## Quick Use ```bash # Debian/Ubuntu sudo apt install gnucash # macOS brew install --cask gnucash # Flatpak flatpak install flathub org.gnucash.GnuCash gnucash ``` ## Introduction GnuCash is a free, open-source financial accounting application that implements professional double-entry bookkeeping. It is designed for individuals and small businesses who need to track bank accounts, stocks, income, and expenses without paying for commercial accounting software. ## What GnuCash Does - Manages personal and business finances using double-entry accounting principles - Tracks checking, savings, credit card, investment, and loan accounts in a single file - Supports multi-currency transactions with automatic exchange rate retrieval - Generates balance sheets, profit/loss statements, and tax-related reports - Imports transactions from OFX, QIF, CSV, and online banking feeds ## Architecture Overview GnuCash stores financial data in an XML file or an SQLite/MySQL/PostgreSQL database. The application is written in C with a GTK-based GUI and uses a Scheme (Guile) scripting engine for report generation. The core accounting engine enforces double-entry integrity by requiring balanced transactions across all operations. ## Self-Hosting & Configuration - Install via system package managers, Flatpak, or standalone installers on Windows, macOS, and Linux - Store data locally in XML or connect to a SQL database for multi-user access - Configure accounts using the built-in chart of accounts templates for various countries - Set up scheduled transactions for recurring bills and income - Customize reports using the built-in Scheme report editor ## Key Features - Full double-entry bookkeeping with transaction splitting across multiple accounts - Stock and mutual fund portfolio tracking with cost basis and capital gains reporting - Multi-currency support with automatic online exchange rate fetching - Comprehensive built-in reports including balance sheet, cash flow, and tax summaries - Invoice and billing support for small business accounts receivable ## Comparison with Similar Tools - **Ledger/hledger** — Plain-text CLI accounting; GnuCash provides a full GUI with database storage - **Firefly III** — Web-based personal finance; GnuCash offers richer accounting features and investment tracking - **QuickBooks** — Commercial; GnuCash is free with comparable features for small businesses - **Beancount** — Plain-text with Python tooling; GnuCash is more accessible for non-programmers ## FAQ **Q: Can multiple users access the same GnuCash file?** A: Yes, when using a SQL backend (MySQL or PostgreSQL), though concurrent editing has limitations. **Q: Does GnuCash support invoicing?** A: Yes, it includes invoice creation, customer management, and accounts receivable tracking. **Q: Is there a mobile app?** A: GnuCash has an Android companion app for recording transactions on the go. **Q: Can I import data from other accounting software?** A: Yes, GnuCash imports OFX, QIF, and CSV formats commonly exported by banks and other software. ## Sources - https://github.com/Gnucash/gnucash - https://www.gnucash.org --- Source: https://tokrepo.com/en/workflows/asset-e58ffb93 Author: AI Open Source