qBittorrent is a free and open-source software application used for downloading and sharing files via the BitTorrent protocol. It provides a user-friendly interface and includes features such as a built-in search engine, torrent creation, and bandwidth scheduling. The software is available on multiple platforms, including Windows, macOS, and Linux. It is designed to be lightweight and efficient, making it a popular choice among users who want to manage their downloads without the clutter of advertisements or unnecessary features.