Open Source Projects tagged "Invoices"
A curated collection of the best open source projects tagged "Invoices". Each listing includes a website screenshot along with a detailed review of its features.
Free online accounting for small businesses and freelancers
Stars
10,100Last commit
9 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:
Transform complex usage data into accurate, real-time billing
Stars
10,446Last commit
6 hours agoLicense
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:
Send invoices, accept payments, manage your business—all free
Stars
10,039Last commit
4 days 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
8,342Last 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:
Comprehensive open-source business management platform
Stars
4,353Last commit
1 day agoLicense
AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
c15t