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Keyman vs Gõ Nhanh: catalog facts
Keyman	Gõ Nhanh
Free Free and open source on all platforms.	Free Free, with no ads, supported by sponsors.
Windows, macOS, Linux, Android, iOS, Web	macOS
Keyboards for over 2,500 languages Available on desktop, mobile and web	No ads and no data collection Works immediately after installation
Layouts must be found and installed separately for each language	macOS only Project documentation is mainly in Vietnamese
Downloadable app, Web application	Downloadable app
Open source	Closed source
License not stated	License not stated
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.