Originally Posted by None of your business!!

Some Banned Clients (These are clients we know about, just because yours isn't on this list, doesn't mean we allow it!)


WMRecorder and NSPlayer though not torrent clients, if being used because of the nature of the programs can and will get your account disabled

ABC (Randomly reports bad stats to the tracker.)
Acquisition (Not a proper torrent client.)
Ares (Beta client. Support and bug fixing appears to be weak at best.)
BinTorrent (Users have been caught cheating with this client.)
BitComet (All versions of BitComet report bad stats to the tracker and many leak to DHT.)
BitLord (Based on old buggy BitComet code.)
BitRocket (Does not conform to the torrent specification for client identification.)
Bits on Wheels (Support no longer provided and bugs are no longer being fixed.)
BitSpirit (Randomly sends DHT packets to its own public tracker.)
BitThief (Downloads from BitTorrent without contributing any resources itself)
BitTorrentPlus
Bittorrent++ (Does not uniquely identify itself.)
BitTorrent / Mainline (Does not honor the protocol requirements of private trackers.)
BitTyrant
BTG (Client has not been evaluated for approval.)
BT Next Evolution (This client has not been tested for suitability for use with private trackers.)
btpd-0.7 (Possible stats errors. Has resulted in multiple accounts being disabled.)
BTQueue (Has not been validated.)
burst! (No longer maintained.)
CTorrent and clones (Improper reporting / client is no longer supported.)
Deadman Walking (Does not identify itself properly to the tracker.)
Download Direct (Download Direct is a download manager, not a torrent client.)
ed2k plugin (Not a proper torrent client.)
eDonkey2000 (Not a proper Torrent client.)
eXeem (Not a proper Torrent client.)
Fast Torrent (Has the capability to mis-identify itself.)
FoxTorrent / Red Swoosh Client (Buggy client; still too early in its development.)
Flashget will get your account disabled.
Free Download Manager (Not a torrent client.)
FrostWire (Variant of LimeWire, unsuitable for private torrent site use.)
G3 (Consistently reports bad stats to the tracker)
Gnome BitTorrent (A BitTorrent client for Linux/Unix)
LimeWire (Leaks swarm info.)
Miro (Does not uniquely identify itself (as of version 1.1.))
MLdonkey (Not a proper torrent client.)
Monsoon
Nova Torrent (May not report correctly to the tracker when canceling/finishing a torrent session.)
0P3R4H
Opera (Not a proper torrent client)
Python-urllib/2.0 (Accounts disabled for stats errors or cheating)
Python-urllib/2.0a1 (Accounts disabled for stats errors or cheating)
Python-urllib/2.1 (Accounts disabled for stats errors or cheating)
qBittorrent (Does not identify its version correctly.)
QTorrent (Does not identify itself correctly.)
Retriever (Not a proper Torrent client.)
Rufus (Stats errors)
Shareaza (Not a proper Torrent client.)
Tixati (using this will get you automatically disabled by the tracker)
Torrent Station (Does not uniquely identify itself.)
TorrentStorm (Development and bug fixes ceased in 2005)
Torrent Swapper
Transmission 1.81 (using this will get you automatically disabled by the tracker)
Tribler (Based on ABC; the design of this client is unsuitable for private trackers.)
Turbo Torrent (Associated with stats errors. Known to contain spyware.)
XBT (Does not identify itself on the swarm / can be configured to pretend to be another client.)
Xtorrent (Client for Mac OS X / Numerous bugs make it bad for private tracker use.)
Ziptorrent (Does not identify itself correctly.)

Clients in Alpha or Beta should be avoided
(with the exception of uTorrentMac)!