Open Source Invoicing & Payment Tools using npm
A curated collection of the best open source tools for creating invoices and processing payments. using npm.
Your all-in-one marketplace for digital creators and products
Stars
9,991Last commit
3 hours agoLicense
MIT
A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.
Open Source Alternative to:
Modern payment infrastructure for digital products and SaaS
Stars
10,373Last commit
4 hours agoLicense
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:
Free online accounting for small businesses and freelancers
Stars
10,193Last commit
12 days agoLicense
Unknown
Self-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Open Source Alternative to:
Send invoices, accept payments, manage your business—all free
Stars
10,305Last commit
4 hours agoLicense
Elastic-2.0
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.
Open Source Alternative to:
AI-powered embedded AR/AP automation for platforms
Stars
8,355Last 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:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
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