Comparison of BitTorrent clients

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"BitTorrent client" redirects here. For the software application by Bram Cohen, see BitTorrent (software).

The following is a general comparison of computer programs designed for peer-to-peer file sharing using the BitTorrent protocol. The BitTorrent protocol coordinates segmented file transfer among peers.

Bram Cohen, author of the BitTorrent protocol, made the first BitTorrent software application, which he also called BitTorrent. He published the application in July 2001.

Many BitTorrent programs are free and open-source software; others are adware or shareware. Some download managers (such as Xunlei and GetRight) are BitTorrent-ready. Opera, a web browser, can also transfer files via BitTorrent. A small number of BitTorrent programs—such as BitDownload, BitGrabber, BitRoll, GetTorrent, Torrent101, TorrentQ, and TorrentSoftware—are actually Trojan horses that attempt to infect the host with malware.[citation needed]

It's worth noting that the client term here is somewhat a misnomer since Bittorrent has a peer-to-peer architecture. It however does differentiate peer software from trackers and companion web sites that do play "server" roles.

Contents

Applications [edit]

General [edit]

Name Developer Software license Latest stable software release
ABC various Python Software Foundation License 3.1 (October 2, 2005; 7 years ago (2005-10-02)[1]) [±]
Acquisition Acquisition Proprietary
shareware		 2.2 (v223) (November 19, 2010; 2 years ago (2010-11-19)) [±]
BitComet BitComet Development Group Proprietary
adware		 1.36 (May 2, 2013; 24 days ago (2013-05-02)) [±][2]
BitLet various Proprietary  ?
BitLord House of Life GPL (License violation)[3] Windows:

2.3 (March 15, 2013; 2 months ago (2013-03-15)) [±]

Mac OSX:
2.2 (November 21, 2012; 6 months ago (2012-11-21)) [±]
Bits on Wheels Bits on Wheels Proprietary 1.0.6 (November 19, 2005; 7 years ago (2005-11-19)) [±]
BitSpirit ByteLinker Inc. Proprietary 3.6.0.550 (December 29, 2010; 2 years ago (2010-12-29)[4]) [±]
BitThief Distributed Computing Group Proprietary 0.5.0 (unknown) [±]
BitTornado John Hoffman MIT 0.3.17 (October 19, 2006; 6 years ago (2006-10-19)) [±]
BitTorrent Bram Cohen Proprietary
adware		 Windows:

7.8 (Build 29626) (May 1, 2013; 25 days ago (2013-05-01)) [±][5]

Mac OS X:
7.3.5 Build 27628 (July 25, 2012; 9 months ago (2012-07-25)) [±][5]
BitTyrant University of Washington GPL 1.1.1 (September 7, 2007; 5 years ago (2007-09-07)[6]) [±]
Blog Torrent Downhill Battle GPL 0.92 (April 20, 2005; 8 years ago (2005-04-20)) [±]
Deluge various GPL 1.3.6 (February 25, 2013; 2 months ago (2013-02-25)) [±]
FlashGet Trend Media Proprietary 3.7.0.1218 (November 8, 2012; 6 months ago (2012-11-08)[7]) [±]
Folx Eltima Software Proprietary 2.0.1029 (June 30, 2012; 10 months ago (2012-06-30)) [±]
Free Download Manager alervd GPL 3.9.2 (Build 1287) (January 11, 2013; 4 months ago (2013-01-11)) [±][8]
FrostWire The FrostWire Project GPL 5.5.3 (February 9, 2013; 3 months ago (2013-02-09)) [±]
Gnome BitTorrent Paul Varga Python Software Foundation License Linux:

0.0.32 (February 2, 2008; 5 years ago (2008-02-02)) [±]
KGet KDE GPL 4.10.3 (7 May 2013; 19 days ago (2013-05-07)) [±][9]
KTorrent Joris Guisson, Ivan Vasić GPL 4.3.1 (January 17, 2013; 4 months ago (2013-01-17)[10]) [±]
Lftp Alexander V. Lukya GPL 4.4.7 (May 23, 2013; 3 days ago (2013-05-23)) [±]
LimeWire Lime Wire LLC GPL 5.5.16 (September 30, 2010; 2 years ago (2010-09-30)) [±]
Meerkat Bittorrent Client 47 Software Proprietary 1.5.8 (August 28, 2011; 20 months ago (2011-08-28)) [±]
MiniGet MiniSoft Free 1.0.8.2188
Miro Participatory Culture Foundation GPL 6.0 (April 16, 2013; 40 days ago (2013-04-16)) [±][11]
MLDonkey MLDonkey Project GPL 3.1.3 (August 5, 2012; 9 months ago (2012-08-05)[12]) [±]
MP3 Rocket MP3 Rocket Inc. GPL 6.35 (March 11, 2013; 2 months ago (2013-03-11)) [±]
µTorrent Ludvig Strigeus Proprietary
adware		 Microsoft Windows
3.3 (Build 29677) (May 22, 2013; 4 days ago (2013-05-22)) [±][13][14]

OS X for Intel
1.8.4 (Build 29561) (April 3, 2013; 53 days ago (2013-04-03)) [±][15][16][17]
OS X for PPC
1.6.5 (Build 27624) (July 25, 2012; 9 months ago (2012-07-25)) [±][15][18][19]
OneSwarm University of Washington GPL 0.7.5 (May 23, 2011; 2 years ago (2011-05-23)[20]) [±]
Opera Opera Software Proprietary 12.15 (April 4, 2013; 52 days ago (2013-04-04)) [±]
qBittorrent Christophe Dumez GPL 3.0.9 (March 16, 2013; 2 months ago (2013-03-16)) [±][21]
rTorrent Jari Sundell GPL lib 0.13.2/r 0.9.2 (20 April 2012; 12 months ago (2012-04-20)) [±][22]
Shareaza Shareaza Development Team GPL 2.6.0.0 (June 3, 2012; 11 months ago (2012-06-03)[23]) [±]
SymTorrent Imre Kelényi GPL 1.50 (March 11, 2011; 2 years ago (2011-03-11)[24]) [±]
Tixati Tixati Software Inc. Proprietary

1.95 (May 10, 2013; 16 days ago (2013-05-10) [25]) [±]
Tomato Torrent Sarwat Khan BitTorrent Open Source License 1.5.1 (October 27, 2007; 5 years ago (2007-10-27)[26]) [±]
Tonido Torrent CodeLathe Proprietary 3.62.0.21836 (December 31, 2012; 4 months ago (2012-12-31)) [±]
Torrent2Exe Torrent2Exe Proprietary 2.0.120 (May 6, 2012; 12 months ago (2012-05-06)) [±]
Torrent Swapper John Freemonth MIT 1.0 (August 10, 2006; 6 years ago (2006-08-10)[27]) [±]
TorrentFlux various GPL 2.4 (June 18, 2008; 4 years ago (2008-06-18)[28]) [±]
Transmission various GPL/MIT 2.77 (18 February 2013; 3 months ago (2013-02-18)) [±][29]
Tribler The Tribler Team LGPL 6.1 (April 19, 2013; 37 days ago (2013-04-19)) [±]
Vuze (formerly Azureus) Vuze Proprietary (platform),
adware
GPL (core engine)		 5.0.0.0 (May 8, 2013; 18 days ago (2013-05-08)) [±][30]
Wyzo Radical Software Proprietary 3.6.4 (September 24, 2010; 2 years ago (2010-09-24)) [±]
Xtorrent Spectacular Apps Proprietary  ?
Xunlei Thunder Networking Technologies] Proprietary 7.2.9.3634 (Windows) 1.1.0 (Mac OS X) 1.3 (Mobile Xunlei for Android) (30 July 2012; 9 months ago (2012-07-30) (Windows) 12 July 2012; 10 months ago (2012-07-12) (Mac OS X) 23 August 2012; 8 months ago (2012-08-23) (Mobile Xunlei for Android)) [±][31]
ZipTorrent ZipTorrent Proprietary 1.3.7.3 (August 24, 2005; 7 years ago (2005-08-24)) [±]
Name Developer Software license Latest stable software release
ABC various GNU GPL 3.1 (October 2, 2005; 7 years ago (2005-10-02)[1]) [±]

Operating system support [edit]

BitTorrent client Windows Mac OS X Linux BSD iOS Android Other
ABC Yes No Yes No No No No
Acquisition No Yes No No No No No
BitComet Yes No No No No No No
BitLet web web web No No No No
BitLord Yes Yes Yes Yes No No No
BitSpirit Yes No No No No No No
BitThief Yes Yes Yes No No No No
BitTornado Yes Yes Yes Yes No No No
BitTorrent Yes Yes Yes No No Yes No
Bits on Wheels No Yes No No No No No
BitTyrant Yes Yes Yes Yes No No No
Blog Torrent Yes Yes No No No No No
Deluge Yes Yes Yes Yes No No Yes Solaris
FlashGet Yes No No No No No No
Folx No Yes No No No No No
Free Download Manager Yes No No No No No No
Frostwire Yes Yes Yes Yes No Yes No
Gnome BitTorrent No No Yes No No No No
KGet No Yes Yes Yes No No No
KTorrent No Yes Yes Yes No No No
LimeWire Yes Yes Yes Yes No No Yes
Meerkat Bittorrent Client Yes No No No No No No
Miro Yes Yes Yes Yes No No No
MLDonkey Yes No Yes Yes No No Yes Solaris, MorphOS
MP3 Rocket Yes No No No No No No
µTorrent Yes Yes Yes No No Yes No
OneSwarm Yes Yes Yes No No No No
Opera Yes Yes Yes Yes Yes Yes Yes Solaris
qBittorrent Yes Yes Yes Yes No No Yes eComStation
rTorrent Yes Cygwin[32] Yes Yes Yes No No Yes Solaris
Shareaza Yes No No No No No No
SmartTorrent BitTorrent Client No No No No No Yes No
SymTorrent No No No No No No Yes Symbian
Tixati Yes No Yes No No No No
Tomato Torrent No Yes No No No No No
Tonido Yes Yes Yes Yes No No No
Torrent Swapper Yes Yes Yes Yes No No No
TorrentFlux Yes Yes Yes Yes No No No
Transmission No Yes Yes Yes No No Yes Solaris, OpenWrt
iTransmission Transmission Port No No No No Yes only for Jailbroken devices No No
Tribler Yes Yes Yes Yes No No No
tTorrent No No No No No Yes No
Vuze Yes Yes Yes Yes No No No
Wyzo Yes Yes No No No No No
ZipTorrent Yes No No No No No No
Name Windows Mac OS X Linux BSD iOS Android Other

Interface and programming [edit]

BitTorrent client GUI Web CLI Other Programming language Based on IPv6 µTP
ABC Yes Yes No No Python BitTornado buggy[Note 1] No
Acquisition Yes No No No Objective-C, Cocoa Limewire ? No
BitComet Yes Yes Partial[33] No C++ - No No
BitLet No Yes No No Java Applet - ? No
BitLord Yes No No No Python, C++ libtorrent (Rasterbar) Yes No
BitThief Yes No No No Java ? ? No
BitTornado Yes No Partial No Python BitTorrent Yes No
BitTorrent 5, Mainline Yes No Partial No Python - No No
BitTorrent 6 Yes Yes Partial No C++ µTorrent Yes Yes
Bits on Wheels Yes No No No Objective-C, Cocoa - Yes No
BitTyrant Yes Yes Partial Telnet, XML over HTTP remote control API Java, SWT Azureus Yes No
Blog Torrent Yes No No No ? ? ? No
Deluge Yes Yes Yes Daemon Python, C++ libtorrent (Rasterbar) Yes No
FlashGet Yes No No No ? ? No No
Free Download Manager Yes Yes Partial No C++ libtorrent (Rasterbar) ? No
Gnome BitTorrent Yes No No No Python ? ? No
KGet Yes Yes Partial[Note 2] No C++ - Yes No
KTorrent Yes Yes Partial No C++ - Yes Yes[34]
LimeWire Yes No No No Java libtorrent (Rasterbar) No No
Meerkat Bittorrent Client Yes No No No C++ - No No
Miro Yes No No No C++ libtorrent (Rasterbar) ? No
MLDonkey Network GUI Yes Partial Telnet OCaml - No No
MP3 Rocket Yes No No No Java - No No
µTorrent Yes Yes No[35] No C++[36] - Yes[37] Yes[38]
OneSwarm Partial Yes No-partial No Java Azureus Yes No
Opera Yes No No No C++ - Yes No
qBittorrent Qt (toolkit) Yes Partial No C++ libtorrent (Rasterbar) Yes Yes[39]
rTorrent No Third Party Yes SCGI C++ libTorrent (Rakshasa) No[40] No
Shareaza Yes Yes Partial No C++ - No No
SymTorrent Yes No No No ? ? ? No
Tixati Yes Yes No No  ? - Yes Yes[41]
Tomato Torrent Yes No No No Cocoa BitTorrent No No
Tonido Torrent No Yes No No C++ libtorrent (Rasterbar) No No
Torrent Swapper Yes Yes No No Python BitTorrent buggy[Note 1] No
TorrentFlux No Yes No No PHP BitTornado No No
Transmission Yes Yes Yes Daemon, JSON-RPC over HTTP remote control API C - Yes Yes[42]
Tribler Yes No Partial No Python,C++ libtorrent (Rasterbar) No Yes
Vuze (formerly Azureus) Yes Yes Partial Telnet, XML over HTTP remote control API Java, SWT - Yes Yes
ZipTorrent Yes No No No C++ libtorrent (Rasterbar) No No
BitTorrent client GUI Web CLI Other Programming language Based on IPv6 µTP

Features I [edit]

BitTorrent client Magnet URI Preload Magnet metadata Super-seeding Embedded tracker UPnP [Note 3] NAT Port Mapping Protocol NAT traversal [Note 4] DHT [Note 5] Peer exchange Encryption UDP tracker LPD Proxy server
ABC No No No Yes Yes No No No No No No No No
Acquisition No No No No No Yes No No No No No No No
BitComet Yes No Yes Separate download Yes Yes Yes Yes Yes Yes Yes No HTTP 1.1, SOCKS4-4a-5
BitLet No No No No Yes No No No No No No No No
BitLord Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes HTTP 1.1, SOCKS4-4a-5
BitThief No No No No No No No No No No No No No
BitTornado No No Yes Yes[Note 6] Yes No No No No Yes No No No
BitTorrent 5, Mainline No No No Yes[Note 6] Yes Yes No Yes Yes Yes No No Yes
BitTorrent 6 Yes Yes Yes Yes Yes Yes Yes Yes Yes[Note 7] Yes Yes Yes HTTP(S), SOCKS4-5
Bits on Wheels No No No No No No No No No No No No No
BitTyrant No No Yes[citation needed] Yes Yes Yes Yes[Note 8] Yes[Note 9] Yes Yes No No No
Blog Torrent No No No Yes No No No No No No No No No
Deluge Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes HTTP(S), SOCKS4-5
FlashGet No No No No No No No Yes No Yes No No No
Free Download Manager No No No No No No No Yes Yes No No No No
Gnome BitTorrent No No No No No No No No No No No No No
KTorrent Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Partial HTTP, SOCKS4-5
LimeWire Partial No Yes Yes Yes Yes No Yes Yes Yes Yes No No
Meerkat Bittorrent Client No No Yes No Yes Yes Yes Yes No Yes No No No
MLDonkey Yes[43] No No Yes Yes Yes No Yes No No Yes No No
µTorrent Yes Yes Yes[44] Yes[45] Yes[46] Yes Yes[47] Yes[Note 10] Yes[Note 7] Yes[48] Yes Yes[49] HTTP(S), SOCKS4-5
OneSwarm Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No No
Opera No No No Yes[50] No No No No Yes[51] No No No No
qBittorrent Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes HTTP(S), SOCKS4-5
rTorrent Yes[52] No Yes No No No No Yes Yes Yes Yes No[53] No
Shareaza Yes No No No Yes Yes N/A Yes[Note 11] Yes No Yes[Note 12] No No
SymTorrent No No No No N/A N/A N/A No No No No No No
Tixati Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes HTTP(S), SOCKS4-5
Tomato Torrent No No No Yes No No No Yes No No No No No
Tonido Torrent No No No No Yes Yes Yes Yes No No No No No
Torrent Swapper No No Yes Yes[Note 6] Yes No No No Yes No No No No
TorrentFlux No No Yes No Yes No No No No Yes No No No
Transmission Yes No No No Yes Yes Yes Yes Yes[Note 13] Yes Yes Yes No [54]
Tribler Yes No No Yes Yes Yes No Yes Yes Yes No No No
Vuze (formerly Azureus) Yes Yes Yes Yes Yes Yes Yes[Note 14] Yes[Note 9] Yes Yes Yes No HTTP(S)?, SOCKS4-4a-5
Vuze Plus (Shareware) Yes Yes Yes Yes Yes Yes Yes Yes[Note 15] Yes[Note 9] Yes Yes No HTTP(S)?, SOCKS4-4a-5
ZipTorrent No No No No Yes Yes No No Yes No No No No
BitTorrent client Magnet URI Preload Magnet metadata Super-seeding Embedded tracker UPnP NAT Port Mapping Protocol NAT traversal DHT Peer exchange Encryption UDP tracker LPD Proxy server

Features II [edit]

BitTorrent client Cache [Note 16] Web seeding [Note 17] Broad-catching (RSS) Prioritization Selective downloads Sequential downloading SOCKS Tracker exchange [55] Remote control via web Search engine Auto updates Notes
ABC No Yes No Yes No No No Yes Separate download No                                 
Acquisition No No No No No No No No No No 3 torrents max, infinity when registered
BitComet Yes Yes [56] Beta Yes Yes Yes [Note 18] Yes No Yes Built-in Web browser Yes Portable version available
BitLet No No No No No No No No No Yes
BitLord Yes No Yes Yes Yes Yes No No Built-in Web browser Yes
Bits on Wheels No No No No No No No No No No
BitThief No No No No No No No No No No Originally designed as a proof-of-concept for the exploitation of weaknesses in the BitTorrent protocol. Has an option to prevent any uploads.
BitTornado Yes Yes No Yes Yes No No No No via PMS
BitTorrent 5, Mainline No Yes No Yes Yes No No No Yes Yes
BitTorrent 6 Yes Yes Yes Yes Yes Yes No Yes Yes Yes
BitTyrant Yes Yes [57] Plugin Yes Yes Yes No Plugin[Note 19] 3rd party plugins Yes Upload priority optimized according to a series of research papers
Blog Torrent No No No No No No No No No No
Deluge Yes No Plugin Yes Yes Yes No Yes No via PMS
FlashGet No No No No No No No No No No FlashGet (standalone application) is not FlashGot (Firefox Addon)
Free Download Manager No No No Yes Yes No No Yes No Optional
Gnome BitTorrent No No No No No No No No No No
KTorrent Yes Yes Yes Yes Yes Yes No Yes Built-in Web browser via PMS
LimeWire Yes Yes No Yes Yes Yes No No No Yes
Meerkat Bittorrent Client Yes No No No No No No No No No
MLDonkey Yes No 3rd party bash script Yes No No[58] No Yes Built-in Web browser via PMS
µTorrent Yes Yes[59] Yes[60] Yes[61] Yes since v3.0 [Note 20] Yes No Yes Yes Yes
OneSwarm Yes Yes No Yes Yes Yes No No No Yes Based on Azureus, has all BitTyrant features
Opera No No Yes[Note 21] No No No No No built-into Web browser Windows and Mac OS X only; via PMS on Linux Web browser
qBittorrent Yes Yes Yes Yes Yes Yes[62] Yes Yes Yes Yes via PMS
rTorrent Partial No 3rd party utility [63] Yes Yes No No Yes No via PMS No built-in disk cache but a delayed sync
Shareaza Yes Yes No Yes Yes[Note 22] Available in mod client No since v2.5.3.1
[64][Note 23]		 Yes Yes Yes [Note 24]
SymTorrent No No No No No No No No No No BitTorrent client for cell phones
Tixati Yes Yes Yes Yes Yes Yes No No No Yes Portable version available
Tomato Torrent No No No No No No No No No No supports AppleScript
Tonido Torrent No No No Yes Yes No No Yes No Yes
Torrent Swapper Yes Yes Yes Yes Yes No No Yes Built-in Web browser Yes
TorrentFlux Yes Yes Yes Yes Yes No No Yes Yes No
Transmission Yes Yes No Yes Yes No No Yes No Yes
Tribler Yes Yes Yes Yes Yes No No No Yes Yes Fully distributed keyword search; integrated anti-spam measures[65]
Vuze (formerly Azureus) Yes Yes [57] Yes Yes Yes Yes No Plugin[Note 19] Yes Yes
ZipTorrent No No Yes No No No No No Yes No
Xunlei In v0.1.0.0
BitTorrent client Cache Web seeding Broad-catching (RSS) Prioritization Selective downloads Sequential downloading SOCKS Tracker exchange Remote control via web Search engine Auto updates Notes
  1. ^ a b Announcements to the tracker are made via IPv6 if possible, but the client doesn't listen on the respective port.
  2. ^ Qdbus interface
  3. ^ Automatically configure port forwarding (requires Router with UPnP support)
  4. ^ Many clients claim to support this, but just UPnP calls for opening a TCP port is not effective and disabled by factory default in most new hardware. "UDP NAT Traversal" is the proper working solution, supported by just a few.
  5. ^ DHT permits use of trackerless torrents (with supporting clients) to resume normal torrents when their tracker is down. However, some trackers that register their users for keeping tabs on fair usage (such as a ratio of bytes downloaded to uploaded) may not reliably measure and update usage for users employing DHT.
  6. ^ a b c Tracker included with Linux binaries and with source, but not with Windows binary.
  7. ^ a b Exchanging with BT 6 and µTorrent clients (and now MooPolice).
  8. ^ It's UDP based, an experimental feature and only supported by other Azureus based clients.
  9. ^ a b c Has its own DHT, a mainline-DHT compatible implementation is available as plugin.
  10. ^ µTorrent's DHT implementation is the same as Mainline and BitComet's, but unfortunately this is incompatible with Azureus's implementation.
  11. ^ Since Shareaza v2.6.0.0, Shareaza includes Mainline DHT support. Also, Shareaza can use the Gnutella2 network to find other Gnutella2 clients sharing the same torrent. This also includes clients who do not actively seed the torrent in question anymore, as long as file hashes (such as sha1 for example) are known.
  12. ^ Since Shareaza v2.5.5.1 r9064.
  13. ^ Exchanges with µTorrent and Azureus peers.
  14. ^ Since version 2.5.0.2. It's UDP based, an experimental feature and only supported by other Azureus clients.
  15. ^ Since version 2.5.0.2. It's UDP based, an experimental feature and only supported by other Azureus clients.
  16. ^ Reduces disk usage, file fragmentation (in case it is not preallocated) and latencies via larger written blocks and cached data for hash checking finished pieces.
  17. ^ Recently implemented (unofficial) web seeding feature, see HTTP-Based Seeding Specification
  18. ^ Called "preview mode"
  19. ^ a b Provides a Java-based and a simple HTML/JS based WebUI.
  20. ^ Called "Streaming mode". The number of pieces to download sequentially is configurable
  21. ^ Opera has a feed aggregator that displays feeds like emails.
  22. ^ Since Shareaza v2.4.0.2 r7924.
  23. ^ Shareaza also uses G2 to transmit download metadata, such as BitTorrent trackers to other G2 clients.
  24. ^ Maximum active torrent number depends on respective user settings and is limited to 31.

Vulnerabilities [edit]

This comparison of unpatched publicly known vulnerabilities in latest stable version clients is based on vulnerabilities reports by SecurityFocus and Secunia. See computer security for more details about the importance of unpatched known flaws.

BitTorrent client Known unpatched vulnerabilities
Secunia SecurityFocus
Extremely critical
(number / oldest)		 Highly critical
(number / oldest)		 Moderately critical
(number / oldest)		 Less critical
(number / oldest)		 Not critical
(number / oldest)		 Total
(number / oldest)
BitComet 0 0 0 0 0 0
BitLord 0 0 0 0 0 Unknown
BitTornado 0 0 0 0 0 Unknown
BitTorrent 0 0 0 0 0 0
BitTorrent DNA 0 0 0 0 0 0
BitTyrant 0 0 0 0 0 Unknown
Deluge 0 0 0 0 0 0
FlashGet 0 0 0 0 0 1
13 August 2008;
4 years ago (2008-08-13)
Free Download Manager 0 0 0 0 0 0
FrostWire 0 0 0 0 0 Unknown
KTorrent 0 0 0 0 0 0
Libtorrent (Rasterbar) 0 0 0 0 0 0
LimeWire 0 0 0 0 0 0
Miro 0 0 0 0 0 1
26 February 2008;
5 years ago (2008-02-26)
MLDonkey 0 0 0 0 1
5 November 2003;
9 years ago (2003-11-05)		 1
23 February 2009;
4 years ago (2009-02-23)
µTorrent for Mac 0 0 0 0 0 0
µTorrent for Windows 0 0 0 0 0 0
Opera 0 0 0 0 0 0
Shareaza 0 0 0 0 0 0
Tomato Torrent 0 0 0 0 0 Unknown
TorrentFlux 0 0 1
23 April 2008;
5 years ago (2008-04-23)		 0 0 2
18 April 2008;
5 years ago (2008-04-18)
Transmission 0 0 0 0 0 0
Vuze (formerly Azureus) 0 0 0 0 0 1
22 June 2006;
6 years ago (2006-06-22)
Wyzo 0 0 0 0 0 Unknown
Xunlei 0 2
28 September 2007;
5 years ago (2007-09-28)		 0 0 0 1
17 November 2007;
5 years ago (2007-11-17)
ZipTorrent 0 0 0 1
24 August 2005;
7 years ago (2005-08-24)		 0 1
23 August 2005;
7 years ago (2005-08-23)
BitTorrent client Extremely critical
(number / oldest)		 Highly critical
(number / oldest)		 Moderately critical
(number / oldest)		 Less critical
(number / oldest)		 Not critical
(number / oldest)		 Total
(number / oldest)
Secunia SecurityFocus
Known unpatched vulnerabilities

Libraries [edit]

General
BitTorrent library First public release date Latest stable Software license
BTSharp 2004; 8 years ago (2004) 2.0 (February 4, 2007; 6 years ago (2007-02-04)) [±] Proprietary
libtorrent (Rasterbar) September 8, 2005; 7 years ago (2005-09-08)[68] 0.16.10 (May 12, 2013; 14 days ago (2013-05-12)) [±] Free software
MonoTorrent September 2006; 6 years ago (2006-09) 0.90 (May 22, 2010; 3 years ago (2010-05-22)) [±] Free software
rTorrent (libTorrent Rakshasa) July 15, 2004; 8 years ago (2004-07-15)[69] lib 0.13.2/r 0.9.2 (20 April 2012; 12 months ago (2012-04-20)) [±][22] Free software
BitTorrent library First public release date Latest stable Software license
Operating system support and programming language
BitTorrent library Linux/Unix Windows OS X API Programming language
BTSharp No Yes No Yes C#
libtorrent (Rasterbar) Yes Yes Yes Yes C++
MonoTorrent Yes Yes Yes Yes C#
rTorrent (libTorrent Rakshasa) Yes No Yes Yes C++
BitTorrent library Linux/Unix Windows OS X API Programming language
Supported features 1
BitTorrent library Super-seeding Tracker UPnP [Note 1] NAT Port Mapping Protocol NAT traversal [Note 2] DHT [Note 3] Peer exchange Encryption UDP tracker LPD Fast extensions Magnet URI
BTSharp No Yes Yes No No No No No ? ? No No
libtorrent (Rasterbar) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes[70] Yes Yes
MonoTorrent Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes
rTorrent (libTorrent Rakshasa) Yes Yes No ? ? Yes Yes Yes Yes ? No Yes
BitTorrent library Super-seeding Tracker UPnP NAT Port Mapping Protocol NAT traversal DHT Peer exchange Encryption UDP tracker LPD Fast extensions Magnet URI
Supported features 2
BitTorrent library Cache[Note 4] Web seeding [Note 5] Broadcatching (RSS) Prioritization Selective downloads SOCKS Remote control via web Engine Notes
BTSharp Yes No No No No No No No
libtorrent (Rasterbar) Yes Yes No Yes Yes Yes Yes ?
MonoTorrent Yes Yes Yes Yes Yes No Yes No
rTorrent (libTorrent Rakshasa) Partial No No Yes Yes No Yes No No built-in cache-disk cache but a delayed sync
BitTorrent library Cache Web seeding Broadcatching (RSS) Prioritization Selective downloads SOCKS Remote control via web Engine Notes

Notes [edit]

  1. ^ Automatically configure port forwarding (requires Router with UPnP support)
  2. ^ Many clients claim to support this, but just UPnP calls for opening a TCP port is not effective and disabled by factory default in most new hardware. "UDP NAT Traversal" is the proper working solution, supported by just a few.
  3. ^ DHT permits use of trackerless torrents (with supporting clients) to resume normal torrents when their tracker is down. However, some trackers that register their users for keeping tabs on fair usage (such as a ratio of bytes downloaded to uploaded) may not reliably measure and update usage for users employing DHT.
  4. ^ Reduces disk usage, file fragmentation (in case it is not preallocated) and latencies due to larger written blocks and cached data for hash checking finished pieces.
  5. ^ Recently implemented (unofficial) web seeding feature, see HTTP-Based Seeding Specification

See also [edit]

References [edit]

  1. ^ "ABC (Yet Another Bittorrent Client) at SourceForge.net". ABC.SourceForge.net. 2005-10-03. Retrieved 2010-01-21. 
  2. ^ "BitComet Client Release Notes - A free C++ BitTorrent/HTTP/FTP Download Client". www.bitcomet.com. 2010-08-31. Retrieved 2010-08-31. 
  3. ^ Bitlord FAQ says the source is available but it's nowhere to be found
  4. ^ "BitSpirit ChangeLog". bitspirit.cc. 2010-12-29. Retrieved 2012-02-27. 
  5. ^ a b BitTorrent download directory list
  6. ^ "BitTyrant". University of Washington - Computer Science & Engineering. 2007-09-07. Retrieved 2010-01-21. 
  7. ^ "Best Download Manager - FlashGet". FlashGet. 2009.12.23. Retrieved 2010-01-20. 
  8. ^ "Free Download Manager". Files. SourceForge. Retrieved 23 February 2012. 
  9. ^ "KDE Ships May Updates to Plasma Workspaces, Applications and Platform". KDE. 02013-05-07May 7, 2013. Retrieved 02013-05-07May 7, 2013. 
  10. ^ KTorrent, ktorrent.org, 2013-01-17, retrieved 2013-01-29 
  11. ^ ftp.osuosl.org :: Oregon State University Open Source Lab, 07-Oct-2012 13:00, retrieved 2013.01.4 11:06 
  12. ^ "MLDonkey at SourceForge.net". MLDonkey.SourceForge.net. 2011-08-10. Retrieved 2011-08-10. 
  13. ^ "Download - µTorrent - a (very) tiny BitTorrent client". www.utorrent.com. 2012-02-03. 
  14. ^ "cmeisel" (2013-01-31). "µTorrent 3.3 Stable - Forums". Announcements. forum.utorrent.com. 
  15. ^ a b "Download - µTorrent - a (very) tiny BitTorrent client". www.utorrent.com. 2013-04-03. 
  16. ^ "vadimt" (2013-04-03). "µTorrent Mac 1.8.2 stable". Announcements (Mac). forum.utorrent.com. 
  17. ^ "uTorrent for Mac release notes". 
  18. ^ "Vika B" (2010-12-13). "µTorrent Mac 1.6.5 latest stable with PPC support! - Forums". Announcements (Mac). forum.utorrent.com. 
  19. ^ "uTorrent for Mac release notes PPC". 
  20. ^ "OneSwarm Changelog". University of Washington - Computer Science & Engineering. Retrieved 2012-03-23. 
  21. ^ qBittorrent Win32 Build, SourceForge.net 
  22. ^ rakshasa (20 April 2012). "Bumped version to 0.9.2.". github.com. Retrieved 23 June 2012. 
  23. ^ "Shareaza at SourceForge.net". SourceForge. Retrieved 2012-06-08. 
  24. ^ "SymTorrent GitHub". SymTorrent. 2011-08-01. Retrieved 2011-08-01. 
  25. ^ "Tixati.com - News". [1].Tixati. 2012-08-10. Retrieved 2012-08-10. 
  26. ^ "sarwat.net * opensource". sarwat.net. 2007-10-27. Retrieved 2010-01-21. 
  27. ^ "Torrent Swapper at SourceForge.net". bit-torrent.SourceForge.net. 2006-08-10. Retrieved 2010-01-21. 
  28. ^ "TorrentFlux - PHP Torrent Client at SourceForge.net". TorrentFlux.SourceForge.net. 2008-06-18. Retrieved 2010-03-11. 
  29. ^ Changes – Transmission, trac.transmissionbittorrent.com, 2013-2-18, retrieved 2013-2-18 
  30. ^ "Changelog". Vuze Community. Retrieved 2013-05-10. 
  31. ^ Check Update [Check for updates], 粤 Guangdong 
  32. ^ http://www.cygwin.com/ml/cygwin-announce/2011-09/msg00003.html
  33. ^ BitComet command line interface see BitComet Command Line - BitComet Wiki
  34. ^ "KTorrent 4.0 is out". KTorrent. Retrieved 2010-05-24. 
  35. ^ "uTorrent command line options - Forums - µTorrent - The Lightweight and Efficient BitTorrent Client". Forum.utorrent.com. Retrieved 2009-11-28. 
  36. ^ "General - FAQ - µTorrent - a (very) tiny BitTorrent client". www.utorrent.com. Retrieved 2009-11-28. 
  37. ^ "µTorrent 1.8 released". Forum.utorrent.com. Retrieved 2009-11-28. 
  38. ^ "µTorrent 1.9 alpha 13485". Forum.utorrent.com. Retrieved 2008-11-24. 
  39. ^ "qBittorrent official website". Qbittorrent.org. Retrieved 2012-08-15. 
  40. ^ "#1111 (Support for IPv6?) – The libTorrent and rTorrent Project". Libtorrent.rakshasa.no. 2009-07-20. Retrieved 2009-11-28. 
  41. ^ "News". Tixati.com. Retrieved 2012-08-15. 
  42. ^ "Changes – Transmission". Trac.transmissionbt.com. Retrieved 2012-08-15. 
  43. ^ "MLDonkey 3.1.3 release notes". Forum mldonkey.sourceforge.net. Retrieved 2013-02-13. 
  44. ^ "µTorrent 1.6 released". Forum.utorrent.com. Retrieved 2009-11-28. 
  45. ^ "uTorrent: Make Your Own BitTorrent Tracker". Filesharefreak.com. Retrieved 2009-11-28. 
  46. ^ "Setting up µTorrent for your internet connection". www.utorrent.com. Retrieved 2009-11-28. 
  47. ^ µTorrent 2.0 beta
  48. ^ "How To Encrypt BitTorrent Traffic". Torrentfreak.com. 2006-04-16. Retrieved 2009-11-28. 
  49. ^ "Announcements » µTorrent 1.7 Release Candidate 6". 2007-06-28. Retrieved 2009-12-12. 
  50. ^ "Weekly - Desktop Team - by Opera Desktop Team". My.opera.com. 2007-02-27. Retrieved 2009-11-28. 
  51. ^ "Opera 9.5 Beta 1 for Windows Changelog". Opera.com. Retrieved 2009-11-28. 
  52. ^ Aided with a shell script documented in "That magnet uri ticket thing reincarnated". libtorrent.rakshasa.no. Retrieved 2011-07-04. 
  53. ^ "local peer discovery". libtorrent.rakshasa.no. Retrieved 2010-04-17. 
  54. ^ Proxy support was removed in version 2.12: "Ticket #3688". trac.transmissionbt.com. Retrieved 2011-06-11. 
  55. ^ Tracker exchange spec: BEP 28
  56. ^ Supports the Getright Webseeding spec since v1.14, see BitComet Wiki
  57. ^ a b Supports the Getright Webseeding spec in addition to the Bittornado spec [2]
  58. ^ See task #4401 SOCKS proxy; however, http proxy is supported.
  59. ^ "uTorrent 1.7 Stable Finally Released". TorrentFreak. 2007-07-13. Retrieved 2009-11-28. 
  60. ^ "How to use RSS & BitTorrent to download TV shows". TorrentFreak. 2006-10-14. Retrieved 2009-11-28. 
  61. ^ "uTorrent - Free software downloads and software reviews - CNET" (in (Persian)). Download.com. Retrieved 2009-11-28. 
  62. ^ Official page "qBittorrent features". qbittorrent.org. Retrieved 2012-11-04. 
  63. ^ 3rd party utility RSSDler
  64. ^ Shareazas SVN changes in r8803 on Sourceforge.net
  65. ^ "Truly Decentralized BitTorrent Downloading Has Finally Arrived". TorrentFreak. 2010-12-08. Retrieved 2010-12-16. 
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  68. ^ "libtorrent manual: features". Retrieved 2009-12-12. 

External links [edit]
Companies
People
Technology
Clients
(comparison, usage share)
Tracker software
(comparison)
Open Trackers
Search engines
(comparison)
Defunct websites
Related topics
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