BitLord is a p2p file-sharing program fully compatible with torrent files, which is one of the most popular p2p protocol designed for high-speed distribution of 100MB or GB-sized files. It is a freeware filesharing application that's comprehensive.
Here is a screenshot to illustrate the features and user interface of this application:
BitTorrent
qBittorrent
qBittorrent Portable
Tixati
Tribler