On: I switched from macOS to Linux after 15 years of Apple

[commoner]

KDE Connect provides clipboard continuity between desktop and mobile, among many other features:

https://kdeconnect.kde.org/

The GNOME client is GSConnect: https://extensions.gnome.org/extension/1319/gsconnect/

[josephg → commoner]

Does that work between Linux and Mac? Linux and phone?

[commoner → josephg]

Yes and yes (unless you are using iOS). KDE Connect can sync the clipboard between any combination of desktop and mobile devices on Android, Linux, macOS, and Windows. The macOS version is still in development, but there is a compatible port called Soduto that works perfectly on macOS:

https://soduto.com