Open Source Finance & Accounting Software
Finance & Accounting software manages monetary transactions, expense tracking, and revenue streams. These tools automate the creation of invoices, handle subscription billing, and organize double-entry bookkeeping for businesses and individuals. This type of software serves freelancers, small business owners, and people tracking personal net worth. By hosting these apps on a private server, you keep sensitive bank statements and tax documents off external clouds. This approach ensures that financial records and payment histories remain private and accessible without relying on external service providers.
This page lists 49 open source tools in the Finance & Accounting category. The most popular are Maybe, Actual and Firefly III. Most use the AGPL-3.0 or MIT license, and 42 offer an official Docker image.
InvoiceShelf
A self-hosted invoicing and expense tracking system for individuals and small businesses to manage their books.
Flowglad
Manage subscriptions and usage metering with a stateless billing system and a full stack SDK.
FOSSBilling
Automate invoicing, payments, and client communication for online service businesses, subscription services, and hosting providers.
ExpenseOwl
A self-hosted expense tracking system with monthly pie-chart visualizations and cashflow indicators for personal finance.
I hate money
A shared budget management application to track group expenses and settle bills between multiple people.
Splitpro
Manage shared expenses with friends and groups using multi-currency support, flexible split methods, and receipt uploads.
Meteroid
Manage usage-based pricing and subscription billing for SaaS companies through a self-hosted, API-driven monetization platform.
Bitcart
Self-hosted payment processor for merchants and developers supporting multiple cryptocurrencies including Bitcoin and Ethereum.
OpenBudgeteer
A self-hosted budgeting application based on the bucket budgeting principle for managing personal finances.
ITFlow
A unified documentation, ticket management, and accounting platform designed specifically for managed service providers.
SolidInvoice
Manage quotes, invoices, and recurring billing for freelancers and small businesses with full data ownership.
TimeScribe
Track work hours and analyze productivity patterns with a local desktop application that requires no registration.
WYGIWYH
A self-hosted finance tracker for managing income and expenses without the constraints of traditional budgeting.
Budget Board
Track monthly spending and financial goals through automated transaction syncing and machine learning categorization.
Monetr
A self-hosted budgeting application designed to manage recurring expenses and track remaining funds for unplanned spending.
SHKeeper
A self-hosted cryptocurrency payment processor for accepting direct payments without intermediaries or transaction fees.
LedgerSMB
A web-based double-entry accounting system and ERP for small and medium sized business operations.
Ocular
A self-hosted budgeting application for tracking expenses and analyzing financial data across multiple years.
UniBee
Manage SaaS subscriptions, automate invoicing, and track billable metrics through a self-hosted or cloud billing system.
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