head to head · open source
koodo-reader vs ebooklib
koodo-reader has 28,699 GitHub stars, 2,148 forks, 271 open issues and last shipped 2 days ago. ebooklib has 1,820 stars, 269 forks, 110 open issues and last shipped 2 days ago. koodo-reader leads on adoption by 1,477% (28,699 vs 1,820 stars). koodo-reader is written in JavaScript under AGPL-3.0; ebooklib is written in Python under AGPL-3.0. koodo-reader has attracted 7% as many forks as stars, ebooklib 15%. ebooklib was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | ebooklib | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.8K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | JavaScript | Python |
| Last push | 2026-11-01 | 2026-11-01 |
| Forks | ⑂ 2.1K | ⑂ 269 |
| 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 ebooklib if
- You want the ebooklib feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and ebooklib 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 ebooklib
About EbookLib EbookLib is a Python library for managing EPUB2/EPUB3. It's capable of reading and writing EPUB files programmatically. Heads up! EbookLib 0.20 was the final version supporting Python 2.7. Starting with the next release EbookLib requires Python 3.10+, has no dependency on six anymore and ships with type annotations. Want to contribute? It's easy! We welcome bug reports, suggestions, and Pull Requests. Before submitting a Pull Request, please take a quick look at our simple guidelines. Our contribution process is straightforward, with no special procedures to worry about. The API is designed to be…
read the full ebooklib overview →
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Frequently asked questions
Is koodo-reader or ebooklib more popular?
koodo-reader has 28,699 GitHub stars and ebooklib has 1,820. koodo-reader has the larger community by that measure.
Are koodo-reader and ebooklib free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and ebooklib under AGPL-3.0. Neither carries a licence fee.
What is the difference between koodo-reader and ebooklib?
koodo-reader is written in JavaScript and ebooklib 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 ebooklib?
Choose koodo-reader if you want the larger community (28,699 stars) or its AGPL-3.0 licence terms. Choose ebooklib if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.