head to head · open source
LibreTranslate vs papermill
LibreTranslate has 17,269 GitHub stars, 1,794 forks, 126 open issues and last shipped 10 days ago. papermill has 6,498 stars, 465 forks, 196 open issues and last shipped 1 months ago. LibreTranslate leads on adoption by 166% (17,269 vs 6,498 stars). LibreTranslate is written in Python under AGPL-3.0; papermill is written in Python under BSD-3-Clause. LibreTranslate has attracted 10% as many forks as stars, papermill 7%. LibreTranslate was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| LibreTranslate | papermill | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 6.5K |
| License | AGPL-3.0 | BSD-3-Clause |
| Written in | Python | Python |
| Last push | 2026-10-26 | 2026-10-05 |
| Forks | ⑂ 1.8K | ⑂ 465 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreTranslate if
- You weight community size — 17K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick papermill if
- You want the papermill feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Python
- You evaluated both and papermill fits your workflow better
About LibreTranslate
LibreTranslate Try it online! API Docs Community Forum Bluesky Free and Open Source Machine Translation API, entirely self hosted. Unlike other APIs, it doesn't rely on proprietary software such as Google or Azure to perform translations. Instead, its translation engine is powered by the open source Argos Translate library. Getting Started Quickstart Usage Instructions Community Resources Credits This work is largely possible thanks to Argos Translate, which powers the translation engine. License GNU Affero General Public License v3 Trademark See Trademark Guidelines
read the full LibreTranslate overview →
About papermill
papermill is a tool for parameterizing, executing, and analyzing Jupyter Notebooks. Papermill lets you: parameterize notebooks execute notebooks This opens up new opportunities for how notebooks can be used. For example: Perhaps you have a financial report that you wish to run with different values on the first or last day of a month or at the beginning or end of the year, using parameters makes this task easier. Do you want to run a notebook and depending on its results, choose a particular notebook to run next? You can now programmatically execute a workflow without having to copy and paste from notebook to…
read the full papermill overview →
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Frequently asked questions
Is LibreTranslate or papermill more popular?
LibreTranslate has 17,269 GitHub stars and papermill has 6,498. LibreTranslate has the larger community by that measure.
Are LibreTranslate and papermill free?
Both are open source. LibreTranslate is licensed under AGPL-3.0 and papermill under BSD-3-Clause. Neither carries a licence fee.
What is the difference between LibreTranslate and papermill?
LibreTranslate is written in Python and papermill in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LibreTranslate or papermill?
Choose LibreTranslate if you want the larger community (17,269 stars) or its AGPL-3.0 licence terms. Choose papermill if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.