This document introduces MateriApps LIVE!, a virtual machine-based live Linux distribution containing materials science software. It provides over 20 software packages for computational materials science and visualization tools. MateriApps LIVE! allows users to access these software packages without installation through a web browser-based interface or by running the virtual machine on their own computer using VirtualBox. The document provides instructions for downloading and running MateriApps LIVE! in VirtualBox on Windows, Mac, and Linux systems.