Based on our record, JPEGView 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
There is also JPEG View which is really fast and simple image viewer for windows https://github.com/sylikc/jpegview) It is very fast, specially noticeable on very large images. - Source: Hacker News / 3 months ago
JPEGView - lightweight image viewer for Windows. ShareX - screen capture tool with other nice features. Source: about 2 years ago
JPEGView should be close enough to what you want. It's very light-weight. Source: about 2 years ago
JPEGView is great, lightweight and opens stuff fast https://sourceforge.net/projects/jpegview/. Source: about 2 years ago
JPEGView - Lean and fast image viewer with minimal GUI. Source: about 2 years 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.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
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.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
spacedesk - spacedesk expands the Windows desktop computer screen to other computers over the local area...
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.