Top pick · highest health
Lingarr
Automatically translate subtitle files in your Radarr and Sonarr media libraries, using LibreTranslate, local AI models, or SaaS translation services.
Docker
Miscellaneous
Open source alternatives to DeepL
We track 2 open-source DeepL alternatives, of which 2 currently score 70 or above on Repoly's GitHub health scale and 2 ship a Docker image. Lingarr leads on health at 92/100 with 69 commits in the last 90 days; across all 2 projects you are choosing between AGPL-3.0.
updated Oct 2026 2 alternatives best health 92 ★ 18k combined 88 commits / 90d 2 with Docker
Top picks to replace DeepL
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Healthiest
Health 92/100: 69 commits in 90 days, latest release 1.4.1, Docker image available.
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Most starred
17,226 stars, the biggest community among DeepL alternatives.
Showing 2 of 2 tools
All 2 DeepL alternatives, ranked by health
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Libre Translate
Machine Translation API.
DockerPython
DeepL alternatives compared
Lingarr edges Libre Translate 92 to 84, and most of the difference is commit activity: 69 commits in 90 days against 19 commits in 90 days. Libre Translate has the largest following at 17k stars, yet ranks #2 of 2, held back mostly by commit activity (19 commits in 90 days).
The most recent release is Lingarr 1.4.1, published 7 days ago. None of the measured options scores under 40. By stack, Python (1) is the most common. Lingarr and Libre Translate are copyleft.
| Tool | Health | Stars | Licence | Last commit | Docker |
|---|---|---|---|---|---|
| Lingarr Steady at 92 since 11 Sep | 92 | 898 | AGPL-3.0 | today | Yes |
| Libre Translate Steady at 84 since 11 Sep, no release for 5 months | 84 | 17k | AGPL-3.0 | 4 days ago | Yes |
DeepL alternatives: common questions
What is the most maintained open source alternative to DeepL?
Lingarr scores highest at 92/100, with 69 commits in the last 90 days, 898 stars on GitHub and its latest release (1.4.1) published 7 days ago. It is also the most active by raw commit count.
Which DeepL alternatives use a permissive licence?
None of the 2 tracked alternatives use a permissive licence; 2 are copyleft (GPL, AGPL or similar), which requires publishing changes to any modified version you distribute.
Which DeepL alternatives run in Docker?
2 of 2 publish a Docker image or Compose file: Lingarr, Libre Translate. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.
Is Lingarr or Libre Translate the better DeepL alternative?
On measured health Lingarr leads, 92 to 84. Lingarr has 69 commits in 90 days, 898 stars and 1.4.1 from 7 days ago; Libre Translate has 19 commits in 90 days, 17k stars and v1.9.6 from 5 months ago. Libre Translate is ahead on stars, so it is the stronger pick if that is what you weigh most.
Are the DeepL alternatives still maintained?
2 of the 2 measured options score 70 or above. Every measured option had commits in the last 90 days. None scores under 40.
What languages are the DeepL alternatives written in?
Python: Libre Translate. The stack matters if you plan to extend or patch the tool yourself.
