How to establish a remote connection from Linux to Mac?

It’d be great to know more about the features you’re looking for. Anyway, I use https://www.helpwire.app/ a free app that works well for connecting Linux to remote Windows and Mac. Simple to set up and reliable

What do you mean by remote connection? Do you want to transfer files? Do you want to stream and control the GUI? Something else? In the first case, SSH is probably the best solution. In the latter case, something like VNC might work across all platforms.

LAN or online?