As part of the open-source solution, you have:
We've used Debian packages to simplify the installation of HUBzero on your own hardware. Follow the instructions on this page: Instructions for a Quick Install.
Source code for HUBzero is available through Debian source packages. To obtain these packages please see the How To Get Source Code section of the HUBzero installation documentation.
It is now possible to install HUBzero on RedHat Enterprise Linux 6. To try out these new packages follow the instructions on this page: Instructions for a Quick Install
HUBzero has been released as Open Source. Most packages are released under the MIT License. Due to an incorporation of works by others, some packages (like the CMS) remain licensed under the GPLv2 license or other Open Source licenses. Please see individual packages for more information.