QBittorrent

qBittorrent
Original author(s)Christophe Dumez
Developer(s)Sledgehammer999, Chocobo1, glassez, pmzqla and others
Initial releaseMay 16, 2006 (2006-05-16)
Stable release
5.1.0  / 27 April 2025 (27 April 2025)
Repository
Written inC++ (Qt), Python
Operating systemCross-platform: FreeBSD, Linux, macOS, OS/2, Windows
PlatformARM, x86, x64
Available in≈70 languages
List of languages
Default UI: English

≥ 99% translated: Basque, Catalan, Chinese (Taiwan), Czech, Danish, Dutch, Galician, German, Hebrew, Indonesian, Japanese, Korean, Lithuanian, Polish, Portuguese (Brazil), Russian, Turkish, Ukrainian

≥ 50% translated: Belarusian, Bulgarian, Chinese, Chinese (Hong Kong), Finnish, French, Greek, Hungarian, Italian, Latvian (Latvia), Malay (Malaysia), Norwegian Bokmål, Occitan (post 1500), Portuguese, Romanian, Slovak, Slovenian, Spanish, Swedish

≥ 10% translated: Croatian, Esperanto, Arabic, Armenian, English (Australia), English (United Kingdom), Georgian, Hindi (India), Icelandic, Latgalian, Uzbek (Latin), Vietnamese
TypeBitTorrent client
LicenseGPLv3+ with OpenSSL linking exception
Websitewww.qbittorrent.org

qBittorrent is a cross-platform free and open-source BitTorrent client written in native C++. It relies on Boost, OpenSSL, zlib, Qt 6 toolkit and the libtorrent-rasterbar library (for the torrent back-end), with an optional search engine written in Python.