Based on our record, Charmstone should be more popular than Air Display. It has been mentiond 10 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://avatron.com/applications/air-display/ Not sure, if it does screen mirroring. Source: about 2 years ago
If you're talking about Target Display Mode, I'm afraid your iMac does not support it. You can still use something like Air Display, although I'm not sure if it will help you achieve what you want. Source: over 2 years ago
The other option is via software like AirDisplay, but that does cost money as well! Source: about 3 years ago
Charmstone (Paid) The quicker switcher launcher for macOS, same as Rcmd. Just another choice I guess. Source: about 1 year ago
Not exactly what you are describing: Charmstone. Source: over 1 year ago
Charmstone [1] is a different take from everything mentioned here (I'm the developer). The idea is to use your spatial memory to switch/launch apps faster than anything else that I've found, with a smaller learning curve and less memorization. You can use keyboard shortcuts with the arrow keys, modifier keys + cursor movement, or a trackpad gesture. [1] https://charmstone.app. - Source: Hacker News / over 1 year ago
Https://charmstone.app is somewhat like this OP. Source: over 1 year ago
I had a few people point out how this is similar to https://charmstone.app,. - Source: Hacker News / over 1 year ago
Duet Display - With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
rcmd - rcmd makes app switching instantaneous!When you have a lot of apps open, finding and switching to them might feel too slow using Command-Tab or the Dock.Hold down the right side |⌘ command| and press the first letter of the app name to focus it.
iDisplay - iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
SwitchGlass - Customizable app switcher for Mac
spacedesk - spacedesk expands the Windows desktop computer screen to other computers over the local area...
Lacona - Fast, simple, powerful keyboard-driven commands for Mac