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Sithakuru vs Keyman: catalog facts
Sithakuru	Keyman
Free Free and open source under GPL-3.0.	Free Free and open source on all platforms.
Android	Windows, macOS, Linux, Android, iOS, Web
Wijesekara and Singlish layouts Adjustable height, font size and colours	Keyboards for over 2,500 languages Available on desktop, mobile and web
Android only Limited English documentation	Layouts must be found and installed separately for each language
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-only	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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