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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:Financial DataFintech Infrastructure
Favicon of OpenBB

OpenBB

AI-powered analytics workspace built for investment teams

  • Stars

    72,043

  • Last commit

    20 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:

Favicon of Power BI
Power BI
Favicon of Hyperswitch

Hyperswitch

Open source payment orchestrator for global transactions

  • Stars

    43,503

  • Last commit

    7 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:

Favicon of Stripe Billing
Stripe Billing
Favicon of Fincept Terminal

Fincept Terminal

Open-source financial terminal for data-driven insights

  • Stars

    30,393

  • Last commit

    15 hours ago

  • License

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

Open Source Alternative to:

Favicon of Bloomberg Terminal
Bloomberg Terminal
Favicon of Hummingbot

Hummingbot

Open-source crypto trading bot for market making

  • Stars

    19,507

  • Last commit

    9 hours 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:

Favicon of 3Commas
3Commas
Favicon of Wealthfolio

Wealthfolio

Secure desktop investment tracker for private wealth management

  • Stars

    8,665

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Wealthfolio is a simple, secure desktop app for tracking investments and managing your wealth without compromising data privacy.

Open Source Alternative to:

Favicon of YNAB
YNAB
Favicon of Ghostfolio

Ghostfolio

Track, analyze, and optimize your investments effortlessly

  • Stars

    9,155

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Open-source wealth management software for tracking stocks, ETFs, and cryptocurrencies across multiple portfolios

Open Source Alternative to:

Favicon of YNAB
YNAB
Favicon of Crater

Crater

AI-powered embedded AR/AP automation for platforms

  • Stars

    8,341

  • 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:

Favicon of Quickbooks
Quickbooks
Favicon of Ballerine

Ballerine

AI agents that transform merchant risk decisions at scale

  • Stars

    2,423

  • Last commit

    9 days 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:

Favicon of Seon
Seon
Favicon of Formance

Formance

Open source financial infrastructure for modern businesses

  • Stars

    518

  • Last commit

    11 hours ago

  • License

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

Open Source Alternative to:

Favicon of Stripe Billing
Stripe Billing
Favicon of 0 Finance

0 Finance

AI
Transform idle cash into competitive yield for startups

  • Stars

    249

  • Last commit

    5 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.
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