As the first search engine, ‘Grams’ (http://grams7enufi7jmdl.onion) for online underground Black Markets has been launched in Beta last week, that lets anyone to easily find illegal drugs and other contraband online in an easier way ever and it's pretty fast like Google Search Engine.
Source: http://thehackernews.com/2014/04/grams-first-search-engine-for.html