---
source_url: "https://products.containerize.com/invoicing/killbill/"
title: "Kill Bill | Self-Hosted Invoicing And Payment Software"
mirrored_at: 2026-08-09T13:01:42.838Z
host: products.containerize.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/products.containerize.com/invoicing/killbill/index"
---

> **Original source:** https://products.containerize.com/invoicing/killbill/

### **Overview**

Kill Bill is a free **web-based billing software**. It enables companies to expand business by scaling up invoicing and payment system. Users can set up on private server and keep the confidential data under control. Kill Bill is highly accessible, adaptable, affordable and controllable, which enables businesses to use it for billing infrastructure scaling. **Killbill billing** is an event-based system and it starts payment processing immediately after the appropriate event is triggered instead of batch processing.

This **open source billing application** has an outstanding framework of plugins, builds your own plugins for particular specifications and expands your framework of invoicing. Via a well-defined plugin API, Kill Bill interfaces with payment providers (payment gateways, bank issuers, credit card companies) and you can use API for integration with any third party payment provider. This **open source invoice system** is built on Java and use MariaDB for storing data. The license for this **web-based billing software** is Apache Licence 2.0.