Hacker News Reader

You can view a list of new Ubuntu packages from its website [0]. You might also want to check out the packages in the games [1], misc [2] and text [3] sections, which are full of fun utilities. You might also want to view the man pages from the games section [4].

Well, this is not specifically for utilities in the sense of scripts in a file, or compiled binaries, but commandlinefu.com has many Unix one-or-more-liners.

http://www.commandlinefu.com/commands/browse

I wonder if it is time for a freshmeat.net alternative?