Dragonball-sandbox is a collection of Rust crates to help build custom Virtual Machine Monitors and hypervisors. The crates here are considered to be the downstream of rust-vmm.
vore is a virtual machine management tool focused on VFIO set ups. with a minimal TOML file you should be able to get you should be able to create a VFIO-focused VM.
Rocker is a minimal docker implementation for educational purposes inspired by gocker. Rocker uses linux kernel features (namespace, cgroup, chroot etc.) to isolate container processes and limit available resourses.