Qtorrents is a multiple torrent site searcher that lets you search number of popular torrent sites (Isohunt, Torrentsdownload.net, Mininova.org, Tracker.anirena.com, Btjunkie.org and several others) at once. It presents results in categories such as movies, music, tv shows, games, apps and anime. You can further sort them by popularity and freshness.
Features:

Search for torrents on multiple popular [...]

eMule is a filesharing client which is based on the eDonkey2000 network but offers more features than the standard client.
Some of the features of eMule are:

Clients use several networks to create one reliable network. (ED2K, Source Exchange, Kad)

Kad is now in an open testphase, eMule v0.42 can be enabled to use Kad

eMule’s Queue and [...]

DC++ is an open source client for Windows for the Direct Connect network. Direct Connect allows you to share files over the Internet without restrictions or limits. The client is completely free of advertisements and has a nice, easy to use interface. Firewall and router support is integrated and it is easy and convenient to [...]