The qBittorrent project was started in March 2006 to create a lightweight but featureful BitTorrent client that would be multi-platform and very easy to use.

qBittorrent v2 is the closest open source (GNU GPL v2 license) equivalent to mtorrent. qBittorrent is based on Qt4 toolkit and libtorrent-rasterbar.

qBittorrent Features
  • Polished µTorrent-like User Interface
  • Well-integrated and extensible Search Engine
  • Simultaneous search in most famous BitTorrent search sites
  • Per-category-specific search requests (e.g. Books, Music, Movies)
  • DHT, Peer Exchange, Full encryption, Magnet/BitComet URIs, …
  • Nearly identical to the regular UI, all in Ajax
  • Torrents queueing and prioritizing
  • Torrent content selection and prioritizing

What's New Version 3.3.11

Bug Fixes
  • Fix share ratio limiting. Broken by commit 259b5e51c49b744.
  • Case insensitive sort for client column.
  • Make resume/pause menu items clickable.