head to head · open source
koodo-reader vs papermill
koodo-reader has 28,699 GitHub stars, 2,148 forks, 271 open issues and last shipped 2 days ago. papermill has 6,498 stars, 465 forks, 196 open issues and last shipped 29 days ago. koodo-reader leads on adoption by 342% (28,699 vs 6,498 stars). koodo-reader is written in JavaScript under AGPL-3.0; papermill is written in Python under BSD-3-Clause. koodo-reader has attracted 7% as many forks as stars, papermill 7%. koodo-reader 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
| koodo-reader | papermill | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 6.5K |
| License | AGPL-3.0 | BSD-3-Clause |
| Written in | JavaScript | Python |
| Last push | 2026-11-01 | 2026-10-05 |
| Forks | ⑂ 2.1K | ⑂ 465 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koodo-reader if
- You weight community size — 29K stars and counting
- You want the AGPL-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 koodo-reader
简体中文 हिंदी Português Indonesian English Türkçe Koodo Reader A cross platform ebook reader Download Preview Roadmap Document Plugins Preview Features Format support: EPUB ( .epub ) PDF ( .pdf ) DRM free Mobipocket ( .mobi ) and Kindle ( .azw3 , .azw ) Plain text ( .txt ) FictionBook ( .fb2 ) Comic book archive ( .cbr , .cbz , .cbt , .cb7 ) Rich text ( .md , .docx ) HyperText ( .html , .xml , .xhtml , .mhtml , .htm ) Platform support: Windows , macOS , Linux , Android , iOS and Web Sync and backup your data with OneDrive , Google Drive , Dropbox , iCloud , MEGA , pCloud , Yandex Disk , Box , FTP , SFTP , WebDAV…
read the full koodo-reader 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 koodo-reader or papermill more popular?
koodo-reader has 28,699 GitHub stars and papermill has 6,498. koodo-reader has the larger community by that measure.
Are koodo-reader and papermill free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and papermill under BSD-3-Clause. Neither carries a licence fee.
What is the difference between koodo-reader and papermill?
koodo-reader 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, koodo-reader or papermill?
Choose koodo-reader if you want the larger community (28,699 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.