... and for Gnome based distros, Valent is a good adaptation of KDE Connect. For a long time, the SFTP file sharing feature wasn't working, but someone finally updated the security protocols and you can access your phone as if it were connected via USB with MTP, but over the network.
There are still lots of flaws, like limited features on notification handling, messaging (I can't do anything like respond or initiate messages for Google Voice).