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 µtorrent. qBittorrent is based on Qt4 toolkit and libtorrent-rasterbar.

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)
• All Bittorrent extensions
-DHT, Peer Exchange, Full encryption, Magnet/BitComet URIs, ...
• Remote control through a Web user interface
-Nearly identical to the regular UI, all in Ajax
• Advanced control over trackers, peers and torrents
-Torrents queueing and prioritizing
-Torrent content selection and prioritizing
• UPnP / NAT-PMP port forwarding support
• Available in ~25 languages (Unicode support)
• Torrent creation tool
• Advanced RSS support with download filters (inc. regex)
• Bandwidth scheduler
• IP Filtering (eMule and PeerGuardian compatible)
• IPv6 compliant
• Sequential downloading (aka "Download in order")
• Available on most platforms: Linux, Mac OS X, Windows, OS/2, FreeBSD

Requirements:
macOS 10.14+
64-bit Intel