I found three such directory sites which have different approaches. http://hnshowcase.com http://hnshowcase.com : visual preview, filtering, social integration

I found three such directory sites which have different approaches. http://hnshowcase.com http://hnshowcase.com : visual preview, filtering, social integration, etc. http://showinghn.com http://showinghn.com : minimalist list based on /newest polling https://twitter.com/JustShowHN https://twitter.com/JustShowHN : Twitter feed based on main RSS