MaiN_Keyboard is an on-screen keyboard designed for KDE Plasma and Wayland. It uses kernel-level keyboard input via uinput to deliver keystrokes without stealing focus from active text fields.
The keyboard offers German, UK English, and US English layouts, adjustable opacity, three interface sizes, and controls for moving the active window between monitors. Settings for size, layout, and opacity are retained between sessions.
This is free and open source software.
Key Features
- Works under Wayland using uinput for reliable keyboard input.
- Does not steal focus from active text fields.
- German, UK English, and US English keyboard layouts.
- Switch layouts from the title bar or system tray menu.
- Adjustable opacity from 50% to 100%.
- Three scalable interface sizes.
- Move the active window between monitors.
- Minimizes to the system tray.
- Remembers size, layout, and opacity settings.
- Freely position the keyboard window.
Website: github.com/cachyOSMaiN/maiN-keyboard
Support:
Developer: MaiN
License: MIT License

MaiN_Keyboard is written in Python. Learn Python with our recommended free books and free tutorials.
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