qBittorrent is based on Qt4 toolkit and libtorrent-rasterbar. qBittorrent is developed by volunteers on their spare time. If you like this piece of software, please make a donation and help it survive. Additionally, qBittorrent runs and provides the same features on all major platforms (Linux, Mac OS X, Windows, OS/2, FreeBSD).

Features:

• Polished µTorrent-like User Interface
• Well-integrated and extensible Search Engine
  • Simultaneous search in most famous BitTorrent search sites
  • Per-category-specific search requests (e.g. Books, Music, Movies)
• All Bittorrent extensions
  • DHT, Peer Exchange, Full encryption, Magnet/BitComet URIs, ...
• Remote control through a Web user interface
  • Nearly identical to the regular UI, all in Ajax
• Advanced control over trackers, peers and torrents
  • Torrents queueing and prioritizing
  • Torrent content selection and prioritizing
• UPnP / NAT-PMP port forwarding support
• Available in ~25 languages (Unicode support)
• Torrent creation tool
• Advanced RSS support with download filters (inc. regex)
• Bandwidth scheduler
• IP Filtering (eMule and PeerGuardian compatible)
• IPv6 compliant
• Sequential downloading (aka "Download in order")
• Available on most platforms: Linux, Mac OS X, Windows, OS/2, FreeBSD

What's New:

• Added download link for Windows beta 3.4.0. Here is the change log:
  • Feature: New icon theme with SVG source, so we can scale it appropriately in the future. (Bert Verhelst)
  • Feature: Drop Qt 4 support. Raise minimum Qt version to 5.5.1 (evsh)
  • Feature: UI for managing locally banned IP list (dzmat)
  • Feature: Support for specifying where to save/load config files. Support for portable mode. (evsh)
  • Feature: It is now possible to pass options via ENV variables instead of cmd options. (evsh)
  • Feature: Allow to strip subfolder in multifile torrents. (glassez, sledgehammer999)
  • Feature: Allow cmd args to specify options when adding torrents. (Brian Kendall)
  • Feature: Widget for showing filesystem paths while typing. Used in the Add New Torrent and Options dialogs. (evsh)
  • Feature: Trackerlist: Allow to toggle columns (thalieht)
  • Feature: Add availability column to torrent content model and torrent properties window (evsh)
  • Feature: Implemented share limit by seeding time (naikel)
  • Feature: Revamp Torrent creator (Chocobo1)
  • Feature: Enable drag n drop to create torrent on mainwindow (Chocobo1)
  • Feature: Add show/hide statusbar option (takiz)
  • Feature: Show number of pieces. Closes #6774. (Chocobo1)
  • Feature: Allow to select & delete multiple entries in "Manage Cookies" dialog (Chocobo1)
  • Feature: Fetch Favicons via google as a final fallback (KingLucius)
  • Feature: Add a Tags (multi-label) Feature to the GUI. Closes #13. (tgregerson)
  • Feature: Use the system icons for each file type in the Content tab (evsh)
  • Feature: Use SVG files for monochrome tray icons. Closes #6085. (evsh)
  • Bugfix: Adjust icons names to better fit FDO scheme (evsh)
  • Bugfix: Optimized IP filter parsing, making blazingly fast (sledgehammer999, evsh)
  • Bugfix: Fix dialogs didn't position on the correct screen which qBittorrent window is on. Closes #1690, #2474, #3538. (Chocobo1)
  • Bugfix: Refactor and improve StatusBar (glassez)
  • Bugfix: Set expiration date for newly added cookie to +2 years from now, instead of +99 years. (Chocobo1)
  • Bugfix: Don't create subfolder inside temp folder (glassez)
  • Bugfix: Don't replace existing files when relocating torrent (glassez)
  • Cosmetic: Trackerlist: Set text alignment of columns with numbers to the right (thalieht)
  • Cosmetic: Enable alternatingRowColors for "Manage Cookie" dialog (Chocobo1)
  • WebUI: Allow to load/use ECDSA certificate in WebUI. (Chocobo1)
  • WebUI: Add copy options to WebUI context menu (addresses #6815) (#7036) (Tom Piccirello)
  • WebUI: Set torrent location from WebUI context menu (addresses #6815) (#7062) (Tom Piccirello)
  • Search: Use explicit class for Search plugin versions (evsh)
  • Search: Remove all Search plugins from repo. There is another repo named 'Search-plugins'. (sledgehammer999)
  • Search: Update the backend when a new plugin favicon is downloaded. (sledgehammer999)
  • RSS: Redesigned RSS subsystem (glassez)
  • RSS: Do not use hardcoded colors in RSS feed view (evsh)
  • Windows: Installer detects running process when it is 64-bit (vlakoff)
  • macOS: Various macOS UI improvements (vit9696)
  • macOS: Fix main menu item location on macOS (vit9696)
  • Other: Use new classes/methods from libtorrent and stop using deprecate ones. (glassez)
  • Other: Various string fixes (Allan Nordhøy, sledgehammer999)
• Feature: Indicate bitness in stackstrace and about dialog. Closes #6172. (sledgehammer999)
• Bugfix: Fix incomplete type compile error with Qt4 (Chocobo1)
• Bugfix: Fix compile error: ‘escape’ is not a member of ‘Qt’ (Chocobo1)
• Bugfix: Use system locale to format dates/time/etc (sledgehammer999)
• Bugfix: Follow http user-agent format (Chocobo1)
• Bugfix: Fix cancel "Set location" causes files move to installation dir. (Chocobo1)
• WebUI: Improve performance of updating 'progress' column (buinsky)
• WebUI: Implement statistics window in web UI (FranciscoPombal)
• WebUI: fixed "remaining" column in WebUI (FranciscoPombal)
• WebUI: Set HttpOnly attribute to SID cookie (Chocobo1)
• WebUI: Fire up the timer to clean inactive sessions (Chocobo1)
• WebUI: Set cookie SID value to empty on logout (Chocobo1)
• Windows: Make the installer DPI aware (regs01)
• Windows: Set exit code to 0 on install/uninstall success. Fixes problem with silent installations. (Chocobo1)
• Windows: The 64-bit installer refuses to install on 32-bit systems. (sledgehammer999)
• Windows: The 64-bit installer uses the correct "Program Files" now. Detection will not work if you install on top of previous installer. (sledgehammer999)
• Windows: Fix running the uninstaller if the user chose a different path in the installer. Closes #6080. (sledgehammer999)
• Linux: Add keywords to the .desktop file. (sledgehammer999)
• Linux: Update stuff in appdata.xml and run 'appstream-utl upgrade' on it. (sledgehammer999)
• Other: Replace rand() by a true uniform distribution generator (Chocobo1)
• Other: Change our user-agent format as indicated earlier in the news section (Chocobo1)
• Other: cmake: fix OSX bundle creation (evsh)