Fatrat is a feature rich download manager written in c++ and built on top of qt4 library. it supports a lot of download and file exchange protocols and is continuously extended. it also includes a plugin system. most relevant features are:

* http(s)/ftp downloads
* ftp uploads
* rss feed support + special functions for tv shows and podcasts
* bittorrent support (including torrent creating, dht, upnp,
encryption etc.)
* torrent search
* support for socks5 and http proxies
* rapidshare.com free downloads
* rapidshare.com uploads
* rapidshare.com link verification and folder extraction
* rapidsafe link decoding
* md4/md5/sha1 hash computing
* remote control via jabber
* remote control via a web interface
* youtube video downloading