FOSSBilling

HyperSwitch

★ 43,033

Payment switch to make payments fast, reliable and affordable. Connect with multiple payment processors and route traffic effortlessly, all with a single API integration.

Actual

★ 27,147

Actual is a local-first personal finance tool based on zero-sum budgeting, with sync across devices. Self-hosted, it's the alternative to YNAB with your financial data under your control.

Firefly III

★ 23,787

Firefly III is a modern financial manager. It helps you to keep track of your money and make budget forecasts. It supports credit cards, has an advanced rule engine and can import data from many banks.

Lago

★ 10,069

Metering and usage-based billing.

Akaunting

★ 9,904

Accounting software designed for small businesses and freelancers.

Invoice Ninja

★ 9,839

Powerful tool to invoice clients online.