Easy Install
homelab
Fully automated homelab from empty disk to running services with a single command.
★ 9.7k starsGPL-3.0
View guide →LibreAI / Self-Hosted / subarr
// selfhosted · coaxk/subarr
subarr
subarr is an open-source self-hosted project by coaxk (coaxk/subarr on GitHub). It has 145 GitHub stars and 1 forks, is released under the MIT license, and was last updated on GitHub on 3 October 2026.
Quality and measurement layer for subtitle automation in the *arr stack.
💎 Hidden gem★ 145 stars⑂ 1 forksMITupdated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
so here's a placeholder. The guide below is complete regardless.
// project facts
Project facts
- Repository
- coaxk/subarr
- GitHub stars
- 145
- Forks
- 1
- License
- MIT
- Last updated on GitHub
- 3 October 2026
- Category
- Self-Hosted
- Listing
- Hidden gem — a shorter page for a lesser-known project
- Official site
- GitHub
// how it works
How it works
- Clone the repository
Download the source and enter the folder.
- Review the compose file
Check the Docker Compose setup against your *arr stack.
- Launch the service
Start it alongside your existing containers.
- Connect your media server
Point it at Plex or Jellyfin per the README.
// features
Why people love it
Audio-language detection
Calibrated detection of the actual audio language.
Provider leaderboards
Ranks subtitle providers by real success rates.
*arr peer service
Designed to sit next to Sonarr/Radarr/Bazarr.
FastAPI service
Modern Python API under the hood.
Docker native
Ships containerized for homelab deploys.
Plex and Jellyfin fit
Built for the media-server workflow.
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// run it
Run it yourself
- Step 1 — Clone the repo
Download the source and move into the project folder.
git clone https://github.com/coaxk/subarr.git cd subarr - Step 2 — Check the compose file
Review the Docker setup before launching.
cat docker-compose.yml - Step 3 — Start the service
Launch it in the background on your homelab.
docker compose up -d
// use cases
What you can build
- Fix mismatched subtitles across a Plex library.
- See which subtitle providers actually succeed.
- Detect audio language before downloading subs.
- Add quality metrics to a *arr media pipeline.
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// faq
Questions, answered
Who maintains Subarr?
It is an open-source project at coaxk/subarr; check recent commits for activity.
Is it free for commercial use?
Yes. It is MIT licensed.
Does it replace Bazarr?
No. It is a peer service that adds measurement and quality on top of subtitle tools.
How do I run it?
Via Docker Compose, alongside your existing *arr containers.
Which media servers does it fit?
It targets the Plex and Jellyfin homelab workflow.
// keep exploring
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View guide →// alternatives
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The most-starred other Self-Hosted projects in the LibreAI catalogue — the realistic shortlist if subarr is not the right fit.
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// more in selfhosted
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Get subarr
Free and open — grab the source, star the repo, and start creating.