Mouseposé is described as 'The indispensible mouse pointer highlighting tool (aka "virtual laserpointer") for everyone doing demos at tradeshows, presentations and trainings, or those individuals with huge and high resolution displays' and is an app in the education & reference category. There are more than 25 alternatives to Mouseposé for Windows, Mac, Linux and GNOME. The best Mouseposé alternative is Keyviz, which is both free and Open Source. Other great apps like Mouseposé are Googly Eyes, Dockitty, Epic Pen and Screenkey.
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.
KeyScreen makes your keystrokes visible on screen-perfect for tutorials, presentations, and screen recordings.
Show which key you're pressing to your audience, highlight your cursor, and hear realistic keyboard sounds! Available for Windows and macOS.
Jiggle is a Gnome Shell extension that highlights the cursor position when the mouse is moved rapidly.
Allows you to highlight the cursor using either the toolbar or hotkeys. Options include spotlight, highlight, drawing on the screen, magnifier or show keystrokes.
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.
Visualize allows you to highlight your key presses and mouse clicks right on your desktop! The perfect tool for presentations or video tutorials, Visualize allows you to customize the look so your viewers can follow along with ease.
OmniDazzle is a set of fun and useful enhancements that help you highlight certain areas of your screen, create special effects, and track the location of your mouse pointer. Each plug-in can be configured to suit your own particular preferences: change colors, make objects...
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.
Projecteur is a virtual laser pointer for use with inertial pointers such as the Logitech Spotlight. Projecteur can show a colored dot, a highlighted circle or a zoom effect to act as a pointer.
This Free Windows Utility allows Windows Users to simulate a big Mouse Cursor. The New Mouse Cursor Appearance is controllable using an editable bitmap. Transparency settings and full configuration allows windows users to have any type of mouse cursor.
KeyTrails helps you present your keyboard input on your screen. Whether you are making a tutorial video, streaming your gaming session, or giving a business presentation, KeyTrails makes your content just a bit catchier.
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This comment only applies to alternatives for the Mac. The other contender is Presentify, both of which are available in the App Store. However, Visualize offers keystroke display, which Presentify does not. Displaying keystrokes is an important part of online presentations where demonstrating keyboard shortcuts is required. Of course, Visualize doesn't offer drawing tools which could also come in handy but not as much for my needs.