Open Source Alternatives to Fiserv

A fintech infrastructure platform that provides financial technology services at the intersection of banking and commerce. The software supports financial institutions, enterprises, fintechs, and small businesses by providing tools for mobile banking, payments, and commerce operations. It integrates AI capabilities through collaborations with providers like OpenAI to embed frontier AI into existing financial platforms. The system is deployed globally to facilitate customer engagement and scale for financial service providers. It serves as a foundation for banking growth and innovation, enabling users to reach households across the United States and manage complex financial transactions. The platform is used by a significant portion of leading global brands to improve their customer engagement strategies and operational efficiency. It operates as a comprehensive suite of technologies designed to move commerce, culture, and community forward through digital transformation.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Fiserv 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 Fiserv. The most popular is Marble. It uses the Elastic-2.0 license and ships an official Docker image.