If you are talking about online services, Proton is a Swiss option and for what it’s worth, Bitwarden offers an EU instance. Both are freemium OSS. You could also self-host Bitwarden. If you are looking for offline options, there are plenty. KeePass2 comes to mind.
I can understand people not wanting to learn a ton of CLIs, I cannot understand people refusing to use any at all. They have the distinct advantage that you can copy + paste stuff, whereas in Windows you sometimes have to follow like a dozen steps to do whatever you want to do in a 2000s GUI.