head to head · open source
koodo-reader vs Calibre-Web-Automated
koodo-reader has 28,699 GitHub stars, 2,148 forks, 271 open issues and last shipped 2 days ago. Calibre-Web-Automated has 6,537 stars, 565 forks, 443 open issues and last shipped 25 days ago. koodo-reader leads on adoption by 339% (28,699 vs 6,537 stars). koodo-reader is written in JavaScript under AGPL-3.0; Calibre-Web-Automated is written in JavaScript under GPL-3.0. koodo-reader has attracted 7% as many forks as stars, Calibre-Web-Automated 9%. koodo-reader was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ebook, epub), 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
| koodo-reader | Calibre-Web-Automated | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 6.5K |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-01 | 2026-10-09 |
| Forks | ⑂ 2.1K | ⑂ 565 |
| 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 Calibre-Web-Automated if
- You want the Calibre-Web-Automated feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and Calibre-Web-Automated 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 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 →
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Frequently asked questions
Is koodo-reader or Calibre-Web-Automated more popular?
koodo-reader has 28,699 GitHub stars and Calibre-Web-Automated has 6,537. koodo-reader has the larger community by that measure.
Are koodo-reader and Calibre-Web-Automated free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and Calibre-Web-Automated under GPL-3.0. Neither carries a licence fee.
What is the difference between koodo-reader and Calibre-Web-Automated?
koodo-reader is written in JavaScript and Calibre-Web-Automated in JavaScript. 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 Calibre-Web-Automated?
Choose koodo-reader if you want the larger community (28,699 stars) or its AGPL-3.0 licence terms. Choose Calibre-Web-Automated if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.