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Open Source Payment Infrastructure Tools using Postgres

A curated collection of the best open source infrastructure for integrating and managing payment processing. using Postgres.

Hyperswitch

Open source payment orchestrator for global transactions

  • Stars

    45,660

  • Last commit

    9 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

Polar

Modern payment infrastructure for digital products and SaaS

  • Stars

    10,454

  • Last commit

    8 hours ago

  • License

    Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.

Open Source Alternative to:

Stripe

Lago

Transform complex usage data into accurate, real-time billing

  • Stars

    10,748

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.

Open Source Alternative to:

Stripe Billing
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