Open Source Fintech Infrastructure Tools using JavaScript
A curated collection of the best open source infrastructure tools tailored for financial technology applications. using JavaScript.
Open source payment orchestrator for global transactions
Stars
43,573Last commit
12 hours agoLicense
Apache-2.0
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Open Source Alternative to:
AI-powered embedded AR/AP automation for platforms
Stars
8,340Last commit
2 years agoLicense
AGPL-3.0
Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.
Open Source Alternative to:
AI agents that transform merchant risk decisions at scale
Stars
2,427Last commit
16 hours agoLicense
Unknown
Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Open Source Alternative to:
Open source financial infrastructure for modern businesses
Stars
521Last commit
3 days agoLicense
MIT
Build custom financial flows and integrate with any provider using Formance's agnostic platform
Open Source Alternative to:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent