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

Local-first personal finance tool based on zero-sum budgeting, supporting synchronization across devices, custom rules, manual transaction importing (from QIF, OFX, and QFX files), and optional automatic synchronization with many banks.

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.

Metering and usage-based billing.

Powerful tool to invoice clients online.

Accounting software designed for small businesses and freelancers.