Kill Bill
Open source subscription billing and payments platform in production since 2010.
GitHub stars
5,797
Repo updated
Oct 2026
License
Apache-2.0
Technology
Java
What is Kill Bill?
Kill Bill handles catalogs and pricing, subscriptions, usage metering, invoicing, payments across gateways, credits, tax and dunning. You run it on your own infrastructure and own your data. It is highly modular, with plugins for payment gateways and tax engines, and it publishes technical documentation and REST API docs.
Best for Subscription businesses with Java skills that want a proven, self-hosted billing core.
In depth
Kill Bill features
Strengths
- Battle-tested since 2010.
- Modular and extensible.
- No vendor lock-in.
Limitations
- Not an all-in-one app: you assemble the pieces.
- Needs Java and engineering time.
- No point-and-click setup for non-technical users.
Where Kill Bill fits in your business
We compare Kill Bill with similar tools in these small business buying guides:
Installing and hosting Kill Bill
Follow the project's own installation guide for exact, current steps. See the official documentation.
Information checked 16 October 2026 from the project's documentation. Versions change, so confirm before running commands on a production server.
Need a server to host it?
Docker, Node, Python, Java and similar stacks usually need a VPS where you can install your own software. A small VPS is enough to start, and you can upgrade later. Hostinger offers both shared web hosting and VPS plans.
Affiliate disclosure: this is an affiliate link. If you buy through it we may earn a commission at no extra cost to you. CRMs and software are listed independently of any hosting partner. Learn more.
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Official links for Kill Bill
Always download from the official sources to get the latest and safest version.
Frequently asked questions about Kill Bill
What is Kill Bill?
An open source subscription billing and payments platform that has run in production since 2010.
Is Kill Bill all-in-one?
No. It is modular. You combine it with plugins for payments and tax.
Does Kill Bill support usage-based billing?
Yes, its README lists usage metering among its capabilities.
Data verified 16 October 2026 from the project's public repository, LICENSE file and documentation. Details change, so check the official sources. See our disclaimer. Found a mistake? Tell us.