1
adom|Adom is not redistributable so it cannot be legally included with Ubuntu.\nYou can obtain it from http://www.adom.de/|
2
pine|Pine cannot be redistributed with modifications without an agreement from the University of Washington so it is not included with Ubuntu.\nYou can obtain it from http://http://www.washington.edu/pine/|
3
gcc|The C toolchain and other useful items are best installed as dependencies of the 'build-essential' meta-package|
4
g++|The C++ toolchain and other useful items are best installed as dependencies of the 'build-essential' meta-package|