It may be true that there's no better one. Which doesn't mean that it's good.

I have tried both clion and VSCode. I can't think of many more IDEs other than Visual Studio (which I haven't tried). I don't think there's many other options.

Clion is much faster than VSCode's C/C++ extension. For example go to definition is instant while VSCode can take 10+ seconds each time, and it doesn't cache results. However, that's the only good thing I can say about Clion.

At work I use VSCode. Why? Because it works. CLion worked for like 6 months, and then it just refused to lead the cmake project, becoming absolutely useless.

CLion is IMO by far the best option out there, short of going the editor-as-ide road (vim emacs etc).

QtCreator is good, but only better feature wise for qt/qmake projects.

VSCode is difficult to setup, the billions of plug-ins all lack something. I remember struggling to get remote debugging to work properly, I think because I couldn't override the default gdb flags to use local symbols (downloading 10gb of debug symbols every run, thanks but no thanks). Amongst other things I can't recall. It's probably a decent IDE for JS or hobby projects but I cannot recommend this for a professional environment.

I'm not gonna bother discussing VS.

What else is still around and actively developed? Codeblocks? Netbeans?