Ranked in these QuestionsQuestion Ranking
Pro Great and complete search
On other options it can be difficult to find the addons or dependencies . You will always find them in Synaptic.
Pro Full featured and easy to use
Pro Most functional package manager out there
Over the years Synaptic has survived while others try to be as good. The trend is towards simpler tools, but whenever you need functionality, synaptic usually trumps other options.