qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
TagSpaces - TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.
µTorrent - Looking for a torrent site to download movies, music and more? Choose from top torrent sites like The Pirate Bay, RARBG, 1337X, and dozens more. (October 2019)
TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.
Deluge - Deluge is a full-featured BitTorrent client for Linux, Unix and Windows.
Tabbles - Tabbles use tags to organize and find files along with your colleagues.