Open Source Alternatives to Modern Treasury

A fintech infrastructure platform that provides a single API for managing multi-rail payments, programmable accounts, and real-time reporting. The software enables businesses to move fiat and stablecoins using a unified ledger and supports various payment methods including ACH, wires, RTP, FedNow, and push-to-card. It includes built-in compliance tools for KYB and KYC, transaction monitoring, and AML checks. The platform is designed for companies building payment products, allowing them to start with an integrated payment service provider and add direct bank partners as they scale. It is deployed as an API-driven service with an accompanying operational dashboard.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Modern Treasury give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Modern Treasury. The most popular is Formance. It uses the Custom license and ships an official Docker image.