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
45,312Last commit
5 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
8,352Last 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
2,440Last commit
5 days 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
529Last commit
19 days agoLicense
MIT
Build custom financial flows and integrate with any provider using Formance's agnostic platform
Open Source Alternative to:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
Windshift