The Chrome OS Virtual Machine Monitor
Multipass orchestrates virtual Ubuntu instances
The Lua VM written in JS ES6 for Node and the browser
Plug&Play Hardware simulation over a virtual bus system.
Tiny Erlang VM
Jainja is a JVM (Java Virtual Machine) written in Java
SUNY Stony Brook Pascal for the IBM/360 written in XPL
Tools and Z80 engine for creating adventure games. (RUST)
Binary Modular DataFlow Machine (BMDFM)
VM detection library in C++
Z80 shared library including some nice test-projects
Simple and flexible programming language for applications development
Dyalect is a programming language for .NET Core
download iso's from distrowatch and boot them with qemu
A BASIC interpreter and compiler with graphics.
Trellis Programming System
lightweight hypervisor SDK written in C++
Node.js virtual machine for Android and iOS