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Uncap vs Key Mapper: catalog facts
Uncap	Key Mapper
Free Free and open source under the MIT license.	Free Free and open source.
Windows	Android
Maps Caps Lock to Escape Can map other keys to different keys	Remaps hardware and keyboard buttons on Android Triggers actions and macros from key presses
The utility runs on Windows	Android only Some actions depend on Android permissions that need manual setup
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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