A screenshot of Transmission 2.82 running under Ubuntu MATE
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Original author(s) | Eric Petit, Josh Elsasser, Bryan Varner |
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Developer(s) | Mike Gelfand (Windows), Charles Kerr (aka Jordan Lee), Mitchell Livingston |
Initial release | 15 September 2005 |
Stable release | 2.92 (March 6, 2016 | )
Repository | trac |
Development status | Active |
Written in | C, Objective-C |
Operating system | Unix-like (BSDs, Linux, macOS, Solaris), Windows,daemon Windows service |
Type | BitTorrent client |
License | GNU GPL, MIT License |
Website | transmissionbt |
Transmission is a BitTorrent client which features a variety of user interfaces on top of a cross-platform back-end. Transmission is free software licensed under the terms of the GNU General Public License (GNU GPL), with parts under the MIT License.
Transmission allows users to quickly download files from multiple peers on the Internet and to upload their own files. By adding torrent files via the user interface, users can create a queue of files to be downloaded and uploaded. Within the file selection menus, users can customise their downloads at the level of individual files. Transmission also seeds, that is, it will automatically share downloaded content.
Transmission allows priorities to be assigned to torrents and files within torrents, to influence which files are downloaded first. It supports the Magnet URI scheme and . It allows torrent file creation and peer exchange compatible with Vuze and μTorrent. It includes a built-in web server so that users can control Transmission remotely via the web. It also supports automatic port mapping using UPnP/, peer caching, blocklists for bad peers, bandwidth limits dependent on time-of-day, globally or per-torrent, and has partial support for IPv6. It allows the use of multiple trackers simultaneously,Local Peer Discovery, (µTP), and UDP tracker. It does not support directly subscribing to RSS feeds containing torrent files for automatic download, but there are third-party add-ons that can supply the functionality.
macOS specific features include Dock and Growl notifications, automatic updates using Sparkle and Universal Binary (up until version 2.22).