file sharing

P2P

peer-to-peer

bittorrent

torrent

Shareaza is the most luxurious and sophisticated file sharing system you'll find. It can harness the power of up to four separate peer-to-peer (P2P) networks.
Not only that, but Shareaza is completely FREE and won't show any annoying ads or pop-ups, no third party,no spyware, no registration, no "paid version". Open Source.
Phenomenal Multi-Network Support: Shareaza can connect to up to 4 separate Peer-to-Peer networks, providing access to hundreds of thousands of diverse users, all from one single program. You can download/upload from these networks: EDonkey2000, Gnutella, BitTorrent and Gnutella2 (G2)
Download from multiple sources: Experience downloads the way they were meant to be: fast! Shareaza swarms across four networks!
Sophisticated file-hashing: Say adios to corrupted files and mp3s that skip. Shareaza detects and fixes corruption before the download completes.
Multiple results tabs: Each search is displayed in a new window. Your search results will never be overwritten. Shareaza runs the searches you want, when you want!
Previews, users comments, and ratings: Get picture and movie previews right from the search panel. Even view comments and ratings written by users like you.
Translated into over Ten different languages (and counting), Shareaza is equipped with full Unicode support for true international searches and downloads.
Media Player: Play all types of video and audio files, watch visualisations, edit playlists, and even control the player with a snazzy remote.
Preview filters: Shareaza has the ability to preview your incomplete audio and video files.
Chat: You can chat with friends one-on-one while you're using Shareaza, pass on a message or get to know another Shareaza user.
Security: With the help of security block lists, a highly-sophisticated IP and client filter, you have the ability to block malicious companies, clients and undesirable content.