head to head · open source
koodo-reader vs yomiyasu
koodo-reader has 28,423 GitHub stars, 2,129 forks, 271 open issues and last shipped yesterday. yomiyasu has 1,589 stars, 36 forks, 3 open issues and last shipped yesterday. koodo-reader leads on adoption by 1,689% (28,423 vs 1,589 stars). koodo-reader is written in JavaScript under AGPL-3.0; yomiyasu is written in Python under MIT. koodo-reader has attracted 7% as many forks as stars, yomiyasu 2%. yomiyasu 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 | yomiyasu | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 1.6K |
| License | AGPL-3.0 | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-10-06 | 2026-10-06 |
| Forks | ⑂ 2.1K | ⑂ 36 |
| 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 yomiyasu if
- You want the yomiyasu feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and yomiyasu 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 yomiyasu
yomiyasu is an Agent Skill that rewrites AI generated Japanese into natural, readable prose, for writers, engineers and editors who draft technical articles, design documents, pull request descriptions and internal reports with LLMs.
read the full yomiyasu overview →
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Frequently asked questions
Is koodo-reader or yomiyasu more popular?
koodo-reader has 28,423 GitHub stars and yomiyasu has 1,589. koodo-reader has the larger community by that measure.
Are koodo-reader and yomiyasu free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and yomiyasu under MIT. Neither carries a licence fee.
What is the difference between koodo-reader and yomiyasu?
koodo-reader is written in JavaScript and yomiyasu 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 yomiyasu?
Choose koodo-reader if you want the larger community (28,423 stars) or its AGPL-3.0 licence terms. Choose yomiyasu if its feature set, stack or MIT licence fits better. Both are self-hostable.