Yes. I use it with wxWidgets and other C++ projects, never touching Qt at all. The performance analysis tools on Linux have been useful to me, and the text editor is lovely to use instead of fuzzy-font-land like Visual Studio Code.
I haven't used it in a few years, but I always found it to be very flexible and useful for non-Qt projects.
I last used it for an embedded project, which are sometimes a pain to set up in an IDE (cross-compiler, sysroot, debug server, etc.), and I was shocked by how easy it was to get going and how smooth it felt compared to most IDEs.