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GoldenDict-ng vs Yomitan: catalog facts
GoldenDict-ng	Yomitan
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source.
Windows, macOS, Linux	Browser extension
Reads MDX, DSL, StarDict, Zim and other formats Shows several dictionaries' results on one page	Instant hover lookups without leaving the page Continues Yomichan with active maintenance
Dictionaries must be obtained and added separately Many options to configure for a new user	Dictionaries must be found and imported separately Setup takes some effort for new users
Downloadable app	Browser extension
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	No account needed
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.