The programs included with Ubuntu are free software. The exact distribution terms for each program can be found in the filesystem under /usr/share/doc/∗/copyright for each package.
A complete list of licenses for all packages can be found in the file ∗-license.txt within the recovery package.
The Source code for Ubuntu is publicly available at the Launchpad platform.
The source code for IMAGO's kernel modules released under GPL-2.0 license are provided on GitHub:
For packages provided by or derived from NVIDIA Jetson Linux Driver Package, refer to the NVIDIA Jetson Linux Developer Guide: Working With Sources and the NVIDIA Driver License Agreement.