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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

OpenBB

AI-powered analytics workspace built for investment teams

  • Stars

    75,224

  • Last commit

    2 days ago

  • License

    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:

Power BI

Hyperswitch

Open source payment orchestrator for global transactions

  • Stars

    45,749

  • Last commit

    13 hours ago

  • License

    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:

Stripe Billing

Fincept Terminal

Open-source financial terminal for data-driven insights

  • Stars

    Stars growing over the last 30 days33,570

  • Last commit

    13 days ago

  • License

    AGPL-3.0
Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools

Open Source Alternative to:

Bloomberg Terminal

Hummingbot

Open-source crypto trading bot for market making

  • Stars

    Stars growing over the last 30 days21,042

  • Last commit

    2 days ago

  • License

    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:

3Commas

Crater

AI-powered embedded AR/AP automation for platforms

  • Stars

    8,360

  • Last commit

    2 years ago

  • License

    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:

Quickbooks

Ballerine

AI agents that transform merchant risk decisions at scale

  • Stars

    2,450

  • Last commit

    1 month ago

  • License

    Unknown
Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.

Open Source Alternative to:

SumSub

Formance

Open source financial infrastructure for modern businesses

  • Stars

    533

  • Last commit

    2 days ago

  • License

    MIT
Build custom financial flows and integrate with any provider using Formance's agnostic platform

Open Source Alternative to:

Stripe Billing

0 Finance

AI
Transform idle cash into competitive yield for startups

  • Stars

    256

  • Last commit

    7 months ago

  • License

    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.

alphai-tui

Live stock quotes, charts, and AI-scored news in your terminal

  • Stars

    92

  • Last commit

    22 hours ago

  • License

    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:

Bloomberg Terminal
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