head to head · open source
koodo-reader vs ebook2audiobook
koodo-reader has 28,217 GitHub stars, 2,116 forks, 271 open issues and last shipped yesterday. ebook2audiobook has 20,198 stars, 1,728 forks, 4 open issues and last shipped yesterday. koodo-reader leads on adoption by 40% (28,217 vs 20,198 stars). koodo-reader is written in JavaScript under AGPL-3.0; ebook2audiobook is written in Python under Apache-2.0. koodo-reader has attracted 7% as many forks as stars, ebook2audiobook 9%. ebook2audiobook 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 | ebook2audiobook | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 20K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | JavaScript | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.1K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koodo-reader if
- You weight community size — 28K 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 ebook2audiobook if
- You want the ebook2audiobook feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and ebook2audiobook fits your workflow better
About koodo-reader
Koodo Reader is a cross platform ebook manager and reader written in JavaScript and released under the AGPL 3.0 license. It runs on Windows, macOS, Linux, Android, iOS, and the web, and it is distributed both as downloadable desktop and mobile applications and as a hosted web version at web.koodoreader.com. The project lives in the JavaScript ecosystem, is developed with yarn and git, and has been maintained for roughly seven years, with a repository that carries about 28,000 stars and 2,100 forks.
read the full koodo-reader overview →
About ebook2audiobook
ebook2audiobook (E2A) is an open source Python tool that converts e books into audiobooks with chapters and metadata, using advanced text to speech engines. It supports voice cloning and 1158 languages, and runs on CPU or GPU. The project lives in the Python ecosystem, is licensed under Apache 2.0, and carries topics covering audiobook, TTS, voice cloning, multilingual output, Gradio, Docker, and XTTS. It has been on GitHub for three years and holds roughly 20,175 stars and 1,727 forks.
read the full ebook2audiobook overview →
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Frequently asked questions
Is koodo-reader or ebook2audiobook more popular?
koodo-reader has 28,217 GitHub stars and ebook2audiobook has 20,198. koodo-reader has the larger community by that measure.
Are koodo-reader and ebook2audiobook free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and ebook2audiobook under Apache-2.0. Neither carries a licence fee.
What is the difference between koodo-reader and ebook2audiobook?
koodo-reader is written in JavaScript and ebook2audiobook 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 ebook2audiobook?
Choose koodo-reader if you want the larger community (28,217 stars) or its AGPL-3.0 licence terms. Choose ebook2audiobook if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.