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keymapper vs Uncap: catalog facts
keymapper	Uncap
Best for: People who want context-specific keyboard shortcuts across desktop systems	Best for: Windows users who want to remap keyboard keys
Free The project is distributed under the GNU General Public License version 3.	Free Free and open source under the MIT license.
Windows, macOS, Linux	Windows
Mappings can be scoped by application context. Supports keyboard and mouse mappings, including typed characters. All 3 strengths for keymapper Mappings can be scoped by application context. Supports keyboard and mouse mappings, including typed characters. Configurations can be shared across supported desktop systems.	Maps Caps Lock to Escape Can map other keys to different keys All 3 strengths for Uncap Maps Caps Lock to Escape Can map other keys to different keys Includes detailed documentation
Window titles are unavailable to context filters on macOS. On Windows, device filters require a virtual device driver.	The utility runs on Windows
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for keymapper github.com/houmain/keymapper/releases/tag/5.7.2 github.com/houmain/keymapper/blob/main/LICENSE github.com/houmain/keymapper/blob/main/README.md Catalog checked October 6, 2026	Official website Full listing and sources Sources for Uncap github.com/susam/uncap Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.