They are part of the GNU system.
http://www.gnu.org/help/evaluation.html
Btw, some projects are hosted on nongnu.org domain, those are not part of the GNU system.
http://www.gnu.org/help/evaluation.html
Btw, some projects are hosted on nongnu.org domain, those are not part of the GNU system.
(I'm part of the GNU evaluation team.)