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
9,604Last 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:
Free online accounting for small businesses and freelancers
Stars
10,079Last commit
12 hours 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:
Modern payment infrastructure for digital products and SaaS
Stars
10,209Last commit
3 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:
Send invoices, accept payments, manage your business—all free
Stars
10,012Last commit
1 day 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
8,340Last 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:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
Openlane