The core package for Virtualbox is open source, available under the GNU GPLv2. Previously, when owned by Innotek, it was a proprietary personal use and evaluation licence, which while free, was not ''free'' (as in freedom). | The core package for Virtualbox is open source, available under the GNU GPLv2. Previously, when owned by Innotek, it was a proprietary personal use and evaluation licence, which while free, was not ''free'' (as in freedom). |