BitSpirit is a very powerful and easy-to-use BitTorrent client that provides not only full BitTorrent protocol implementation but also many personalization features.

BitSpirit supports simultaneous downloads, download queue, UPNP port-maping, NAT traversal(UDP transport), select downloads from multiple files torrent package, disk cache, chatting with other peers, torrent market, ip-filter, etc. In 3.0 or above versions of BitSpirit, it also supports DHT network - which is based on Kademlia protocol - and fully compatible with Bittorrent official client.

Features:

Clean interface

Multiple simultaneous downloads

Disk cache mechanism

Fast job resume

File selecting support

Powerful file manager

UPnP portmapping

Instant Messaging support

Gzip Data compression

Flexible speed control

Scheduled downloading

Integrated with IE

Shutdown computer when done

HTTP/SOCKS4/5 proxy support

High speed

Very low CPU & Mem usage

Cache mechanism

High speed

Powerful files management function

Various running-time log

Integrated with IE

Favorite website management

Clipboard guard

Simple and easy to use interface