Sonarr
Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality….
- Media Management
- C#
- GPL-3.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 16,826
- Forks
- 2,020
- Open issues
- 73
- Commits, last 12 months
- 610
- Last commit
- Oct 5, 2026
- Latest release
- v4.0.20.3014Sep 16, 2026
- Created
- Sep 27, 2011
- License
- GPL-3.0Open source
Data from the GitHub API, refreshed daily.
About Sonarr
Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality…. Sonarr is open source under the GPL-3.0 license and written mainly in C#, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 16,826 stars and 2,020 forks on GitHub, with 610 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Repository preview
From the blog
Articles about Sonarr
Comparisons, rankings and guides on the appsgit blog that cover Sonarr.
- Guides
Home server for Plex and Jellyfin: hardware transcoding, storage and the apps around it
Build a home server for Plex or Jellyfin: why Intel Quick Sync matters, how much storage you need, and the *arr stack and Seerr apps that automate the library.
6 min read
- Comparisons
Jellyfin vs Plex in 2026: which media server should you self-host?
Jellyfin vs Plex in 2026: pricing after the Plex Pass changes, remote streaming, hardware transcoding, apps and privacy compared, with a clear verdict.
5 min read
- Roundups
r/selfhosted's most recommended apps, ranked by GitHub data
The apps r/selfhosted recommends again and again, from Immich and Jellyfin to Vaultwarden and Paperless-ngx, ranked with real GitHub stars and commit activity.
6 min read
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What is Sonarr?
Sonarr is a free, open-source app you can host on your own server, listed in our Media Management category. Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality…. The source code lives at github.com/Sonarr/Sonarr, where it has 16,826 stars.
Is Sonarr free and open source?
Yes. Sonarr is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Sonarr with Docker?
Yes. Sonarr provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Sonarr?
Popular self-hosted alternatives to Sonarr include MeTube, Radarr and Seerr.
Is Sonarr actively maintained?
The most recent commit to Sonarr was on Oct 5, 2026 with 610 commits in the past twelve months. The latest release is v4.0.20.3014, published Sep 16, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.