iMesh was founded in 1999, regarded as the most famous P2P file exchange service provider in the post-Napster period. Although experienced music copyright lawsuit for many times, in the end, it came to an agreement with one of the 4 music giants SONY Bertelsmann, which was the first licensing agreement since Courts of the United States had began to crack down on online copyright infringement activities .

μTorrent (AKA: microTorrent or uTorrent, short for "µT" or "uT") is a freeware BitTorrent download client, written in C++. It is the most widely used BitTorrent client now, outside China (where XunLei is more popular and has the has the largest number of users in the world).