eMule is one of the most reliable peer-to-peer file sharing clients around the world. Clients use several networks to create one reliable network. (ED2K, Source Exchange, Kad).
eMule is completely free of any Adware, Spyware, etc. Each file is checked for corruptions while downloading to ensure an error free file. Auto priorities and Source management allows you to start many downloads without having to monitor them.
The Preview function allows you to look at your Videos and Archives before they are completed. To find the file you want, eMule offers a wide range of search possibilities which include: Servers (Local, and Global), web based (Jigle, and Filedonkey), and Kad (Still in Alpha). eMule also allows you to use very complex Boolean searches.
With the messaging and friend system, you can send messages to other Clients and add them as friends. In your friend list, you can always see if a friend is online. With the built in IRC client, you can chat with other downloaders and chatters around the globe.
Please note: to obtain nice speed and find all possible resources for the files you download, you really have to configure eMule for High ID