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A screenshot of qBittorrent v4.3.9 running on Arch Linux | |
Original author(s) | Christophe Dumez[1] |
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Developer(s) | Sledgehammer999, Chocobo1, glassez, pmzqla and others[2] |
Initial release | May 16, 2006[3] |
Stable release | 4.5.2[4] ![]() |
Repository | |
Written in | C++ (Qt),[5] Python |
Operating system | Cross-platform: FreeBSD, Linux, macOS, OS/2, Windows |
Platform | ARM, x86, x64 |
Available in | ≈70 languages[6] |
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 | |
Type | BitTorrent client |
License | GPLv3+[7] with OpenSSL linking exception |
Website | www |
qBittorrent is a cross-platform free and open-source BitTorrent client written in native C++. It relies on Boost, Qt 6 toolkit and the libtorrent-rasterbar library (for the torrent back-end), with an optional search engine written in Python.[8][9]
qBittorrent was originally developed in March 2006 by Christophe Dumez,[1] from the University of Technology of Belfort-Montbéliard (UTBM).
It is currently developed by contributors worldwide and is funded through donations,[10] led by Sledgehammer999 from Greece, who became project maintainer in June 2013.[11]
Along with the 4.0.0 release a new logo for the project was unveiled.[12][13]
In February 2023, a security vulnerability affecting versions 4.5.0 and 4.5.1 was discovered in the Web UI running on Windows systems. This vulnerability enabled unauthenticated access to all files on the host computer via a path traversal bug.[14] This issue has been patched in version 4.5.2, which was released to the public on February 23, 2023.[15]
Some of the features present in qBittorrent include:
qBittorrent is cross-platform, available on many operating systems, including: FreeBSD, Linux, macOS, OS/2 (including ArcaOS and eComStation),[16] Windows.
As of July 2017[update], SourceForge statistics indicate that the most popular qBittorrent version of all supported platforms, 81% of downloads were for Windows computers.[17]
As of May 2020[update], FossHub statistics indicate qBittorrent as the second most downloaded software with over 75 million downloads.[18]
Packages for different Linux distributions are available, though most are provided through official channels via various distributions.[19]
qBittorrent Enhanced is a fork of qBittorrent intended for blocking leeching clients such as Xunlei. It is hosted on GitHub.
In 2012, Ghacks suggested qBittorrent as a great alternative to μTorrent, for those put off by its controversial adware and bundleware changes.[20]