Apps similar to WindowWatcher include ZoomIt, which is free. Other options are PiP for Mac, Magnifixer, KMag and OnTopReplica. You can choose from more than 10 Screen Magnifiers like WindowWatcher for Mac, Windows, Linux, iPhone and iPad.
ZoomIt is screen zoom and annotation tool for technical presentations that include application demonstrations. ZoomIt runs unobtrusively in the tray and activates with customizable hotkeys to zoom in on an area of the screen, move around while zoomed, and draw on the zoomed...
United States
Magnifixer is a screen magnifier utility. You can place it anywhere on your screen, make it any size you want and select a zoom level. Magnifixer will always show the area of your screen where the mouse cursor resides.
Netherlands
EU
KMag is a small utility for Linux to magnify a part of the screen. KMag is very useful for people with visual disabilities and for those working in the fields of image analysis, web development etc.
GermanyEU
A lightweight application that provides a real-time thumbnail replica of any window of your choice. OnTopReplica will stay always on top, allowing you to keep track of the original window while working and without having to keep the keyboard focus on it.
ItalyEU
Floaty is a lightweight macOS utility that lets you pin any window so it always stays on top of other applications.
Singapore
OneLoupe is a customizable screen magnification tool. It runs in the system tray and can be activated by clicking on the icon or setting a HotKey.
GermanyEU
Virtual Magnifying Glass, a free, open source, screen magnification program for Windows, Linux, FreeBSD and Mac OS X. Free full version download and instructions for use.
Glassbrick is a screen magnifier that makes zooming your screen quick and easy. It allows you to change the colours of your screen to enhance readability. It’s also customisable, lightweight, fast and efficient.
Screen magnifier system tray tool; once started, a floating window appears after clicking on the tray icon.
United Kingdom
