App: Quick Camera
Developer: Simon Guest
Genres: Utilities, Photo & Video

Quick Camera is a utility to display the output from any supported USB web cameras. Quick Camera can be used for video conferences or presentations where you need to show an external device to your audience via the USB camera.

Quick Camera supports mirroring (normal and reversed, both vertical and horizontal), can be rotated, resized to any size, and the window can be placed in the foreground.

Release notes:
Now supports Monterey (macOS 12)