MateriApps LIVE! itself is distributed under GPL
MateriApps LIVE! can run on Windows, OSX, and Linux via a virtual desktop environment such as VirtualBox. Snapshot images of VirtualBox (.ova files) are also provided. You can also boot MateriAppsLIVE! directly from USB memory.
MateriApps LIVE! provides Debian repository and package to install these softwares into your Debian GNU/Linux system.