clocksaver is a screensaver for MacOS 10.15 and onward. It is designed to have as minimal CPU use as possible. It simply shows the time and the date. Nothing more complicated than that.
Download clock-saver-source.zip source code
Download clocksaver.zip
Once installed, colours are customisable too:
If you have any suggestions, please get in touch via email. Many thanks.
Tom.
tom@tsites.co.uk