qemu-kvm

multipass

+25

Multipass orchestrates virtual Ubuntu instances

winapps

+23

Run Windows apps such as Microsoft Office/Adobe in Linux (Ubuntu/Fedora) and GNOME/KDE as if they were a part of the native OS, including Nautilus integration. Hard fork of https://github.com/Fmstrat/winapps/

kvm-guest-drivers-windows

+8

Windows paravirtualized drivers for QEMU\KVM

LookingGlass

+7

An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.

qemus/qemu

+5

QEMU in a Docker container.