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Kiten vs Yomitan: catalog facts
Kiten	Yomitan
Free Free and open source under the GPL-2.0-or-later licence.	Free Free and open source.
Windows, Linux	Browser extension
English-Japanese and Japanese-English dictionaries Kanji dictionary with several lookup methods	Instant hover lookups without leaving the page Continues Yomichan with active maintenance
Built around KDE, so it looks most at home on a Plasma desktop Focused on lookup rather than structured lessons	Dictionaries must be found and imported separately Setup takes some effort for new users
Downloadable app	Browser extension
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.