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Welcome to the Formance Stack

Formance Stack is an open-source suite of modular tools designed to help developers build, operate, and track money movements of any size and shape. The suite includes a range of products that provide technical introductions, how-tos, and reference documents for each component. Whether you are building a small money-moving application or a large-scale financial platform, Formance Stack has the tools and resources you need to get started:

Ledger

Programmable accounting database for financial transactions. Accurately track money movements and account balances across your entire operation.

Numscript

Model complex financial transactions with a simple, powerful, and extensible DSL built for money movements.

Payments

Unified data layer and API for payment processing services like Stripe and Wise, with upcoming support for payment initiation.

Wallets (beta)

Fully managed white-label wallet service to hold user funds, with built-in support for complex flows like hold and capture.

Getting help

Are you stuck? Have a technical question not well answered in these docs? Run into a problem you can't solve?

Come chat with us! We have a Slack server where we and others using Formance hang out.

Or, if you prefer, you can also Tweet at us.