Likewise - Get recommendations you love, from people you know.
Liist.cc - A tool that turns your photos, notes, and maps into shareable recommendations - fully automated.
Siftery - Share products your company uses and get personalized recommendations
Versus - Find popular alternatives to anything in a jiffy
HuntSplash - Beautiful photos from Unsplash w/ products from Product Hunt
TestBox - Test drive your software options before you buy