RVVM is a virtual machine / emulator for RISC-V guests, which emphasizes on performance, security, lean code and portability. It already runs a lot of guest operating systems, including Linux, Haiku, FreeBSD, OpenBSD, etc.
The ultimate macOS virtual machine, powered with the "Linux-First" philosophy in mind. This script can handle GPU passthrough and can even download macOS recovery images directly from Apple servers.