head to head · open source
koodo-reader vs kepubify
koodo-reader has 28,699 GitHub stars, 2,148 forks, 271 open issues and last shipped 2 days ago. kepubify has 899 stars, 59 forks, 29 open issues and last shipped 11 months ago. koodo-reader leads on adoption by 3,092% (28,699 vs 899 stars). koodo-reader is written in JavaScript under AGPL-3.0; kepubify is written in Go under MIT. koodo-reader has attracted 7% as many forks as stars, kepubify 7%. 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.
← all 20902 open source comparisons
Side by side
| koodo-reader | kepubify | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 899 |
| License | AGPL-3.0 | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-11-01 | 2025-12-06 |
| Forks | ⑂ 2.1K | ⑂ 59 |
| 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 kepubify if
- You want the kepubify feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and kepubify 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 kepubify
kepubify Kepubify converts EPUBs to Kobo EPUBs. Website Download Documentation Web Version pkg.go.dev About Kepubify is standalone (it also works as a library or a webapp), converts most books in a fraction of a second (40 80x faster than Calibre), handles malformed HTML/XHTML without causing further issues, has multiple optional conversion options (punctuation smartening, custom CSS, text replacement, and more), has a full test suite, is interoperable with other applications, and is safe to use with untrusted books. Two additional standalone utilities are included with kepubify. covergen pre generates cover…
read the full kepubify overview →
More in Content & Publishing
Related comparisons
More Publishing projects
Compare either of these against the rest of the Publishing field.
Frequently asked questions
Is koodo-reader or kepubify more popular?
koodo-reader has 28,699 GitHub stars and kepubify has 899. koodo-reader has the larger community by that measure.
Are koodo-reader and kepubify free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and kepubify under MIT. Neither carries a licence fee.
What is the difference between koodo-reader and kepubify?
koodo-reader is written in JavaScript and kepubify in Go. 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 kepubify?
Choose koodo-reader if you want the larger community (28,699 stars) or its AGPL-3.0 licence terms. Choose kepubify if its feature set, stack or MIT licence fits better. Both are self-hostable.