head to head · open source
papermill vs Weblate
papermill has 6,498 GitHub stars, 465 forks, 196 open issues and last shipped 1 months ago. Weblate has 6,155 stars, 1,380 forks, 493 open issues and last shipped yesterday. papermill leads on adoption by 6% (6,498 vs 6,155 stars). papermill is written in Python under BSD-3-Clause; Weblate is written in Python under GPL-3.0. papermill has attracted 7% as many forks as stars, Weblate 22%. Weblate was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (python), so they are genuine substitutes rather than adjacent tools.
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
| papermill | Weblate | |
|---|---|---|
| GitHub stars | ★ 6.5K | ★ 6.2K |
| License | BSD-3-Clause | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-10-05 | 2026-11-04 |
| Forks | ⑂ 465 | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick papermill if
- You weight community size — 6.5K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Weblate if
- You want the Weblate feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Weblate fits your workflow better
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 →
About Weblate
.. image:: :alt: Weblate :target: :height: 80px Weblate is libre software web based continuous localization system, used by over 2500 libre projects and companies in more than 165 countries. Install it, or use the Hosted Weblate service at weblate.org . .. image:: :alt: Website :target: .. image:: :alt: Translation status :target: .. image:: :alt: CII Best Practices :target: .. image:: :alt: REUSE status :target: .. image:: :target: .. image:: :target: .. image:: :alt: License :target: .. image:: :alt: Covered by Argos Visual Testing :target: Support Weblate is libre software with optional professional support…
read the full Weblate overview →
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Frequently asked questions
Is papermill or Weblate more popular?
papermill has 6,498 GitHub stars and Weblate has 6,155. papermill has the larger community by that measure.
Are papermill and Weblate free?
Both are open source. papermill is licensed under BSD-3-Clause and Weblate under GPL-3.0. Neither carries a licence fee.
What is the difference between papermill and Weblate?
papermill is written in Python and Weblate 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, papermill or Weblate?
Choose papermill if you want the larger community (6,498 stars) or its BSD-3-Clause licence terms. Choose Weblate if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.