Open Source Finance & Fintech Tools
A curated collection of the best open source software specifically for the finance and financial technology sectors.
See also:Fintech InfrastructureFinancial Data
Live stock quotes, charts, and AI-scored news in your terminal
Stars
52Last commit
2 hours agoLicense
MIT
Terminal dashboard for stock quotes, candlestick charts, AI-scored news, SEC Form 4 insider activity, and earnings reads. Free tier, no card required.
Open Source Alternative to:
AI-powered analytics workspace built for investment teams
Stars
73,615Last commit
2 hours agoLicense
AGPL-3.0
Connects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.
Open Source Alternative to:
Open source payment orchestrator for global transactions
Stars
45,206Last commit
2 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:
Open-source financial terminal for data-driven insights
Stars
32,079Last commit
10 days agoLicense
AGPL-3.0
Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools
Open Source Alternative to:
Open-source crypto trading bot for market making
Stars
20,256Last commit
23 hours agoLicense
Apache-2.0
Automate crypto trading strategies with a powerful, customizable platform. Connect to multiple exchanges and optimize your market making.
Open Source Alternative to:
AI-powered embedded AR/AP automation for platforms
Stars
8,350Last 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
2,437Last commit
11 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
527Last commit
4 days agoLicense
MIT
Build custom financial flows and integrate with any provider using Formance's agnostic platform
Open Source Alternative to:
Transform idle cash into competitive yield for startups
Stars
251Last commit
6 months agoLicense
MIT
High-yield treasury management for startups earning 8% APY with insurance coverage up to $1M. Open US/EU accounts instantly with full liquidity and no minimums.
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t