This means that it does NOT rely on your bittorrent client (uTorrent, Azureus, BitComet, ABC and etc.) and it will NOT download/upload the files on a torrent - it only can fake download/upload. NRPG RatioMaster has hardcoded emulations for the most commonly used BitTorrent clients: uTorrent, BitComet, Azureus, ABC, BitLord, BTuga, BitTornado, Burst, BitTyrant, BitSpirit.