Starcounter is a fusion of your C# VM and a ACID RAM DBMS
GopherLua: VM and compiler for Lua in Go
ECMAScript Lexer / Parser / Interpreter / VM / method JIT written in C++
An OS preconfigured for Asterisk, ready to use in a VM (or not).
A Ruby VM written in Go aims to exploit parallelism via Software Transactional Memory
VM using Docker for Geospatial Analysis
a multithreading concatenative stack-based language
PHP to JavaScript converter and VM written in JavaScript