TopSites Explorer is a client version of web directory. You can explore lots of interesting and useful websites much more convenient than using web version directories. Moveover, it also includes Alexa Top Sites List which are ranked by Alexa Traffic Ranking, sorted by global, by countries and by languages. Top Rated Features of TopSites Explorer: 1) Tabbed Mode and Tree Mode Browsing; 2) Explore Alexa Top 500 Sites List ranked by global popularity.