http://wikipe4ai4hbwu5srhlumhsp3ya6f524z574g5f5rzzv7tvrxydmsfyd.onion/index.php/The_Hidden_Wiki
Its main page provides a community-maintained link directory to other hidden services, including links to money laundering, whistle blowing, email contract killing, hackers for hire, contraband chemicals, warez, torrents, chans, IRCs, and ebooks.