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Open Source Invoicing & Payment Tools using GitHub

A curated collection of the best open source tools for creating invoices and processing payments. using GitHub.

Polar

Modern payment infrastructure for digital products and SaaS

  • Stars

    10,413

  • Last commit

    13 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

Frappe Books

Modern desktop accounting made simple and free

  • Stars

    5,004

  • Last commit

    23 days ago

  • License

    AGPL-3.0
A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.

Open Source Alternative to:

Quickbooks
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