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Kill Bill

Kill Bill has been the leading open-source platform for billing and payment since 2010.

Welcome to Kill Bill!

The Kill Bill billing system and payments platform is feature-rich out-of-the-box and highly customizable. Use it for highly complex billing schemes, including one-offs, recurring, and usage-based plans.

Kill Bill is not an all-in-one solution. Instead, it's highly modularized; you can disable the functionality you don't need or replace functionality with one of your existing systems. The real power of Kill Bill lies in building your own business logic on top of it to create a customized billing and payments solution.

You can write plugins to modify Kill Bill's behavior and integrate with third-party vendors. Kill Bill already has many open-source plugins. Use them as examples for creating your own or modify them for your own use.

Your business doesn't need to rely on the uptime or processing speed of a SaaS provider. You choose where to run Kill Bill from, on-premise or in the cloud, like Kill Bill on AWS.

For more information:

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  1. killbill killbill Public

    Open-Source Subscription Billing & Payments Platform

    Java 5.2k 877

  2. killbill-admin-ui killbill-admin-ui Public

    Kill Bill Administrative UI engine

    HTML 62 71

  3. killbill-docs killbill-docs Public

    Kill Bill documentation

    CSS 41 86

  4. killbill-client-java killbill-client-java Public

    Java client library for Kill Bill

    Java 34 66

  5. killbill-client-ruby killbill-client-ruby Public

    Ruby client library for Kill Bill

    Ruby 25 25

  6. killbill-cloud killbill-cloud Public

    Kill Bill deployment utilities

    Ruby 66 95

Repositories

Showing 10 of 113 repositories
  • killbill-admin-ui-standalone Public

    Kill Bill Administrative UI

    killbill/killbill-admin-ui-standalone’s past year of commit activity
    Ruby 21 27 4 2 Updated Nov 28, 2025
  • killbill-admin-ui Public

    Kill Bill Administrative UI engine

    killbill/killbill-admin-ui’s past year of commit activity
    HTML 62 MIT 71 46 2 Updated Nov 28, 2025
  • killbill-docs Public

    Kill Bill documentation

    killbill/killbill-docs’s past year of commit activity
    CSS 41 Apache-2.0 86 18 4 Updated Nov 26, 2025
  • killbill Public

    Open-Source Subscription Billing & Payments Platform

    killbill/killbill’s past year of commit activity
    Java 5,225 Apache-2.0 877 220 9 Updated Nov 25, 2025
  • killbill-oss-parent Public

    Kill Bill parent pom.xml

    killbill/killbill-oss-parent’s past year of commit activity
    Shell 4 Apache-2.0 63 10 28 Updated Nov 25, 2025
  • killbill-client-java Public

    Java client library for Kill Bill

    killbill/killbill-client-java’s past year of commit activity
    Java 34 Apache-2.0 66 11 0 Updated Nov 25, 2025
  • killbill-platform Public

    Kill Bill core platform

    killbill/killbill-platform’s past year of commit activity
    Java 30 Apache-2.0 44 8 1 Updated Nov 24, 2025
  • killbill-plugin-framework-java Public

    Framework to write Kill Bill plugins

    killbill/killbill-plugin-framework-java’s past year of commit activity
    Java 8 Apache-2.0 24 9 0 Updated Nov 24, 2025
  • killbill-commons Public

    Kill Bill reusable Java components

    killbill/killbill-commons’s past year of commit activity
    Java 141 Apache-2.0 65 15 2 Updated Nov 24, 2025
  • killbill-deposit-ui Public

    Kill Bill UI for the deposit plugin

    killbill/killbill-deposit-ui’s past year of commit activity
    Ruby 0 MIT 6 2 2 Updated Nov 12, 2025

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