
What is it?
Kill Bill is an open-source subscription billing and payments platform that helps online businesses manage subscriptions, billing, and payments. It solves the complexity of building billing systems and avoids SaaS vendor lock-in, offering real-time analytics and financial reports. Its key highlight is high modularity and extensibility.
- Real-time analytics and financial reports
- Highly modular and extensible
- Supports multiple subscription models
- Avoids vendor lock-in
- Self-hosted for data control
Who is it for?
SaaS companies, e-commerce platforms, developers needing flexible billing
How can it grow? — Custom dev directions
Each is a concrete build plan. Like one? Let's talk.
Custom billing engine
Effort MFor: SaaS companies
Integrate third-party payment gateways
Effort SFor: e-commerce
Develop subscription management UI
Effort LFor: small teams
Turn this project into your product
Describe your scenario — we reply with a plan & quote within 2 hours.



