John's Background Switcher 4.3 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The software lies within Design & Photo Tools, more precisely Viewers & Editors. The actual developer of this Mac application is John Conners.
From the developer:
John's Background Switcher puts beautiful full-screen photos and stunning montages on your desktop. Choose the photos from your own collection on your Mac or websites like Flickr, Facebook, Pixabay, Instagram, Vladstudio and many more besides. You'll never know what's coming next -- maybe photos from a recent holiday, landscapes from far and distant lands, pictures of small kittens or equally small dogs.
You may want to check out more software for Mac, such as Switcher Cast, Switcher Media Manager or The Art of John Dyer, which might be similar to John's Background Switcher.
Wallpapers
Automation