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.
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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
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 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.