Use bittorrent with Torrential on Elementary OS
If you are using bittorrent and elementary OS, and you don't need a gazillion options, Torrential is a good software. You can install it from the AppCenter.
In the headerbar, you can find everything you need, opening .torrent file or magnet link. Switching views based on the status of the torrent (active, paused, seeding). You can search your download list.
In the preferences we can modify the download/upload speed.