Similar to UnionFS

JOVIAL

Linux-HA

NDISwrapper

Nullsoft Scriptable Install System

Object request broker

QEMU

Oracle Grid Engine

UltraDefrag

Wubi (software)

Activity Monitor

Inno Setup

InstallShield

Interpreter (computing)

Windowing system

Uppaal Model Checker

Master data management

Hierarchical storage management

Virtualization

Compatibility layer