qBittorrent is a popular BitTorrent client that uses the open-source libtorrent library. It's known for its speed, stability, and support for Unicode. qBittorrent offers numerous features including a user-friendly interface, peer connection management, and the ability to prioritize downloads. The free IP to Country Lite database from DB-IP is used to resolve the countries of peers. This database is licensed under the Creative Commons Attribution 4.0 International License. qBittorrent is available for Windows, macOS, and Linux platforms.