Virtual Machine Manager is one of the best hypervisors available for the Linux desktop. It takes virtualization on your Linux desktop to the next level.
If you run Windows make sure to install the virtio drivers
TL;DR: use what is in the kernel, without strange out of tree kernel modules like for VirtualBox, and use KVM, i.e. on fedora virt-manager qemu qemu-kvm
TL;DR: use what is in the kernel, without strange out of tree kernel modules like for VirtualBox, and use KVM, i.e. on fedora
virt-manager qemu qemu-kvm