head to head · open source

Calibre-Web-Automated vs papermill

Calibre-Web-Automated has 6,547 GitHub stars, 565 forks, 443 open issues and last shipped 27 days ago. papermill has 6,498 stars, 465 forks, 196 open issues and last shipped 1 months ago. Calibre-Web-Automated leads on adoption by 1% (6,547 vs 6,498 stars). Calibre-Web-Automated is written in JavaScript under GPL-3.0; papermill is written in Python under BSD-3-Clause. Calibre-Web-Automated has attracted 9% as many forks as stars, papermill 7%. Calibre-Web-Automated 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.

Calibre-Web-Automated ★ 6.5K papermill ★ 6.5K category Content & Publishing

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Side by side

Calibre-Web-Automated papermill
GitHub stars ★ 6.5K ★ 6.5K
License GPL-3.0 BSD-3-Clause
Written in JavaScript Python
Last push 2026-10-09 2026-10-05
Forks ⑂ 565 ⑂ 465
Self-hosting Yes Yes
Data ownership Your server Your server

pick Calibre-Web-Automated if

  • You weight community size — 6.5K stars and counting
  • You want the GPL-3.0 license terms
  • Your stack matches JavaScript
  • You value the larger contributor base for long-term maintenance

full Calibre-Web-Automated profile →

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

full papermill profile →

About Calibre-Web-Automated

Calibre Web Automated (formerly Calibre Web Automator) Making Calibre Web your dream , all in one self hosted digital library solution. Supporting the Project ❤️ CWA is and always will be free and open source. If it makes your library life easier and you're able to support development, contributions go directly to: Testing hardware (ereader devices & tablets ect.) Development tools and infrastructure Coffee ☕ (lots of coffee) Quick Access Features 🪄 Releases 🆕 Roadmap 🛣️ How to Install: 📖 Quick Install 🚀 Docker Compose 🐋⭐(Recommended) Users Migrating from stock Calibre Web 🔄 Post Install Tasks 🏁 Default…

read the full Calibre-Web-Automated 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 Calibre-Web-Automated or papermill more popular?

Calibre-Web-Automated has 6,547 GitHub stars and papermill has 6,498. Calibre-Web-Automated has the larger community by that measure.

Are Calibre-Web-Automated and papermill free?

Both are open source. Calibre-Web-Automated is licensed under GPL-3.0 and papermill under BSD-3-Clause. Neither carries a licence fee.

What is the difference between Calibre-Web-Automated and papermill?

Calibre-Web-Automated is written in JavaScript 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, Calibre-Web-Automated or papermill?

Choose Calibre-Web-Automated if you want the larger community (6,547 stars) or its GPL-3.0 licence terms. Choose papermill if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.