# Development

<p class="callout info">This software is released under the [GPL-3.0 license](https://opensource.org/license/gpl-3-0). </p>

Sonarr has been used as the basis for other apps like [Radarr](https://hub.subspace.services/books/radarr "Radarr") or [Lidarr](https://hub.subspace.services/books/lidarr "Lidarr"). Sonarr is made available for Docker through the efforts of [LinuxServer.io](https://docs.linuxserver.io/images/docker-sonarr/) and their commitment to simplifying self-hosting.

You can learn more about how to contribute to Sonarr through their [documentation](https://wiki.servarr.com/sonarr/contributing).

The Sonarr development team also accepts [donations](https://sonarr.tv/donate).