KeyCastr is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Keyviz, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to KeyCastr and 11 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to KeyCastr are Carnac, YAKD, KeyFX and KeyPress OSD.
Keyviz is a free and open-source tool to visualize your keystrokes and mouse actions in real-time.
Keyviz is the most popular Windows alternative to KeyCastr.
Keyviz is the most popular Open Source & free alternative to KeyCastr.
YAKD (Yet Another Key Displayer) is a lightweight, open-source Windows tool for displaying keyboard and mouse button presses on-screen, typically for use with screen recording and screen-casting. RTSS Rivatuner Statistics Server is supported.
KeyFX is a screencast and presentation utility that allows you to highlight the mouse cursor and visualize your keystrokes.
KeyFX is the most popular commercial alternative to KeyCastr.
KeyPress OSD is a full-featured screencasting tool for displaying key-presses on Windows. Beyond on-screen keypress display, it features text-expansion, mouse-highlighting and a multi-clipboard manager.
Floating widget shows each key pressed in real time and highlights the cursor with fully adjustable design. Choose from 10+ styles, unlimited color themes, and over 10 sound options. Works across multiple screens for screen recording on Windows and macOS.
A Little utility that implements a global key logger which displays all shortcuts & keystrokes as you type on screen and with a semi-transparent overlay. This makes it very easy to show any shortcuts you use if you for example record a software demo.
A utility to show keyboard keys visually on the Windows screen. - KaustubhPatange/Kling
MouseShade is an essential tool for everyone doing presentations or demos. If turned on, it dims the screen and puts a spotlight on the area around the mouse pointer, easily guiding the audiences attention to an area of interest.
QiPress is a portable Windows program that displays key presses on the screen. The keyboard input display takes minimal space, and highly customizable.
Keystrokes on screen, keyboard, mouse, draw on screen. Designed specifically for creating screencasts and tutorials. CSS Based keystroke on screen. Lots of predefined keystroke CSS themes. It's easy to create a theme yourself.
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My favourite alternative to KeyCastr for Windows. I like it for it's simplicity and minimal config to get started.