There are 2 repositories under multi-monitor topic.
Kitty drop-down service for sway & i3wm
Modular multi-screen pdf presentation viewer
:lock: i3lock wrapper with multi-monitor support
KWin scripts controlling window placement on multi-monitor setups
Rounded Windows Edges is a Windows utility that enhances your user interface by adding customizable rounded corners to all application windows across multiple monitors. This application is designed to provide a modern and aesthetically pleasing look to your desktop environment.
Hackintosh Build with i7-7700k, AMD R9 390 + iGPU enabled for Multi Monitor on macOS Mojave
Multi-monitor ANSI Art Scroller
Multi monitor photo slideshow screensaver
Mirrored from https://gitlab.com/compiz/compicc.git
Split and view large media (image or video) on multiple displays
MultiMonitorRdp is a simple console program designed to make using Windows Remote Desktop client easier with multi-display setups.
McTidy is a desktop manager and organizer which can store and restore the positions and sizes of windows.
Easily check for dead, stuck, or defective pixels. Test monitors before purchasing. Test screens during the warranty period. Test anytime and anywhere. DefectPX comes with multi-monitor support, and a very intuitive interface.
Multi-screen window manager plugin for Hammerspoon
An application that allows you to apply a single image as your wallpaper spanning all of your screens on KDE.
X Colour Management
Script to move all windows to main monitor
Play WoW on 3 monitors. Enlarge you FoV! 🍆
Mouse lock for dual monitor system, button hold for transition
Triple monitor brightness manager plugin for Hammerspoon
A simple tool for PowerPoint that enables a history-like function during the presentation on multiple projectors.
Dynamic Multi-Monitor Desktop Cloning. Clone active monitor to Borderless Fullscreen window. Steamlink-like Clone
A simple Windows command-line tool for cropping multi-monitor PNG "PrtScr" images down to a single monitor
Keeps the cursor inside the boundary of the primary monitor if the specified executable is already a process or when it becomes a process.
Autohotkey script that detects how many displays you have and then sets the wallpaper you define depending on how many displays. Useful when you Dock and Undock from a multi-monitor setup.
A simple Windows batch script for toggling your primary display using NirCMD. Perfect for multi-monitor setups!