VMWare, GNOME Boxes, QEMU+virt-manager
Personally using the latter, appears to have the best support and more configuration options compared to alternatives, as well as advanced options like GPU passthrough etc, though it has a bit more of a learning curve, and each alternative option should be fine.
You're not, it's just that sometimes you paste your passwords outside browser, and opening a browser for that is doable, but feels wrong :D
Also, the app has a more convenient layout as it can afford more screen space.