What is SABnzbd used for?

SABnzbd is a free, open-source binary newsreader that automates downloading from Usenet, from NZB files to verified and unpacked files. It is a good fit for hands-off Usenet downloading and running an always-on download box at home.

Is SABnzbd open source?

Yes. SABnzbd is open source under a custom licence. Its source code is on GitHub at sabnzbd/sabnzbd and is written mainly in Python.

Yes. SABnzbd is open source, so the software itself is free to use under the terms of its own licence.

Can I self-host SABnzbd?

Yes. SABnzbd can be self-hosted on your own server or infrastructure; there is no official hosted version.

What are some alternatives to SABnzbd?

Similar open-source tools in the Media & Streaming category include Lidarr, Bazarr and Unmanic. SaaS products in the same category include Channels DVR, Emby and Inoreader.

Is SABnzbd actively maintained?

Yes. The most recent commit to SABnzbd was on 2 October 2026, and the latest release is 5.1.3, published on 8 September 2026. The project has 3.1k stars on GitHub.

SABnzbd: open-source media & streaming

About SABnzbd

SABnzbd is an open-source binary newsreader written in Python that automates Usenet downloading. The project describes it as free, easy to use and runnable on practically any platform. The aim is to make Usenet as streamlined as possible by automating every step it can, so people do not have to handle the individual stages by hand.

The workflow starts when you add an NZB file. SABnzbd then downloads the content, verifies it, repairs it where needed, extracts it and files it away with no further interaction. An easy setup wizard guides first-time configuration, and self-analysis tools help check that your setup is working. Many command-line options give additional control.

Running it from source requires Python 3.10 or newer, the modules listed in requirements.txt, par2 and the official unrar. Most Linux packages already pull these in. The development workflow follows a simplified GitFlow, with the master branch holding stable releases for end users. The latest release listed is 5.1.3, and the website has installation guides.

Key features

Automated download from NZB files
Verification and repair of downloaded files
Automatic extraction and filing
Setup wizard and self-analysis tools
Command-line options for fine control
Runs on most platforms

Good fit for

→Hands-off Usenet downloading
→Running an always-on download box at home

Built with: Python
Tags: usenet; newsreader; nzb; downloader; python; automation; self-hosted; binary-newsreader

SABnzbd: questions and answers

What is SABnzbd used for?: SABnzbd is a free, open-source binary newsreader that automates downloading from Usenet, from NZB files to verified and unpacked files. It is a good fit for hands-off Usenet downloading and running an always-on download box at home.
Is SABnzbd open source?: Yes. SABnzbd is open source under a custom licence. Its source code is on GitHub at sabnzbd/sabnzbd and is written mainly in Python.
Is SABnzbd free?: Yes. SABnzbd is open source, so the software itself is free to use under the terms of its own licence.
Can I self-host SABnzbd?: Yes. SABnzbd can be self-hosted on your own server or infrastructure; there is no official hosted version.
What are some alternatives to SABnzbd?: Similar open-source tools in the Media & Streaming category include Lidarr, Bazarr and Unmanic. SaaS products in the same category include Channels DVR, Emby and Inoreader.
Is SABnzbd actively maintained?: Yes. The most recent commit to SABnzbd was on 2 October 2026, and the latest release is 5.1.3, published on 8 September 2026. The project has 3.1k stars on GitHub.