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 BitTorrent clients, which are computer programs designed for peer-to-peer file sharing using the BitTorrent protocol.[1]

The BitTorrent protocol coordinates segmented file transfer among peers connected in a swarm. A BitTorrent client enables a user to exchange data as a peer in one or more swarms. Because BitTorrent is a peer-to-peer communications protocol that doesn't need a server, the BitTorrent definition of client differs from the conventional meaning expressed in the client–server model.[1]

Bram Cohen, author of the BitTorrent protocol, made the first BitTorrent client, which he also called BitTorrent, and published it in July 2001.[2]

Many BitTorrent programs are open-source software; others are freeware, adware or shareware. Some download managers, such as FlashGet and GetRight, are BitTorrent-ready. Opera 12, a web browser, can also transfer files via BitTorrent.

In 2007, four BitTorrent clients were discovered to be Trojan horses that attempt to infect Windows with malware.[3][4][5] Those clients—BitRoll, GetTorrent, Torrent101, and TorrentQ—are excluded from the comparison tables below. In 2013, Thunder Networking Technologies admitted that some of their employees surreptitiously distributed a Trojan horse with certain releases of Xunlei, the company's BitTorrent-ready download manager.[6][7] Xunlei is included in the comparison tables.

Applications[edit]

General[edit]

NameDeveloperSoftware licenseLatest stable software releaseYear (not dynamic, but easier for sorting)
ABCvariousPython Software Foundation License3.1 (October 2, 2005; 9 years ago (2005-10-02)[8]) [±]2005
AcquisitionAcquisitionProprietary2.2 (v223) (November 19, 2010; 3 years ago (2010-11-19)) [±]2010
BitCometBitComet Development GroupProprietary1.37 (December 31, 2013; 9 months ago (2013-12-31)) [±][9]2013
BitLetvariousProprietary ?
BitLordHouse of LifeGPL

installs WhenU adware

Windows:

2.3.2 (August 28, 2013; 13 months ago (2013-08-28)) [±]

Mac OSX:
2.2 (November 21, 2012; 22 months ago (2012-11-21)) [±]

2013 2012
BitSpiritByteLinker Inc.Proprietary3.6.0.550 (December 29, 2010; 3 years ago (2010-12-29)[10]) [±]2010
BitTornadoJohn HoffmanMIT0.3.17 (October 19, 2006; 7 years ago (2006-10-19)) [±]2006
BitTorrentBram CohenProprietary, AdwareWindows:

7.9.2 (Build 34728) (October 10, 2014; 7 days ago (2014-10-10)) [±][11]

Mac OS X:
7.4.1 (Build 30291) (November 1, 2013; 11 months ago (2013-11-01)) [±][12]

2014
BitTyrantUniversity of WashingtonGPL1.1.1 (September 7, 2007; 7 years ago (2007-09-07)[13]) [±]2007
Blog TorrentDownhill BattleGPL0.92 (April 20, 2005; 9 years ago (2005-04-20)) [±]2005
DelugevariousGPL1.3.10 (October 15, 2014; 2 days ago (2014-10-15)) [±]2014
FlashGetTrend MediaProprietary3.7.0.1218 (November 8, 2012; 22 months ago (2012-11-08)[14]) [±]2012
FolxEltima SoftwareProprietary3.0.870 (October 9, 2013; 12 months ago (2013-10-09)) [±]2013
Free Download ManageralervdGPL3.9.4 (Build 1479) (October 16, 2014; 1 day ago (2014-10-16)) [±][15]2014
FrostWireThe FrostWire ProjectGPL
Installs Ask.com toolbar
5.7.7 (October 3, 2014; 14 days ago (2014-10-03)) [±]2014
KGetKDEGPL4.14.1 (September 16, 2014; 31 days ago (2014-09-16)) [±][16]2014
KTorrentJoris Guisson, Ivan VasićGPL4.3.1 (January 17, 2013; 20 months ago (2013-01-17)[17]) [±]2013
LftpAlexander V. LukyaGPL4.6.0 (October 13, 2014; 4 days ago (2014-10-13) [18]) [±]2014
LimeWireLime Wire LLCGPL5.5.16 (September 30, 2010; 4 years ago (2010-09-30)) [±]2010
Meerkat Bittorrent Client47 SoftwareProprietary1.5.8 (August 28, 2011; 3 years ago (2011-08-28)) [±]2011
MiroParticipatory Culture FoundationGPL6.0 (April 16, 2013; 17 months ago (2013-04-16)) [±][19]2013
MLDonkeyMLDonkey ProjectGPL3.1.5 (March 22, 2014; 6 months ago (2014-03-22)[20]) [±]2014
µTorrentLudvig StrigeusProprietary, AdwareMicrosoft Windows
3.4.2 (Build 34727) (October 10, 2014; 7 days ago (2014-10-10)) [±][21][22]

OS X for Intel
1.8.4 (Build 30291) (November 1, 2013; 11 months ago (2013-11-01)) [±][23][24][25]
OS X for PPC
1.6.5 (Build 27624) (July 25, 2012; 2 years ago (2012-07-25)) [±][23][26][27]

2014
OneSwarmUniversity of WashingtonGPL0.7.5 (May 23, 2011; 3 years ago (2011-05-23)[28]) [±]2011
Opera 12Opera SoftwareProprietaryWindows (Presto) - 12.17
Linux, FreeBSD, MacOS X - 12.16
qBittorrentChristophe DumezGPL3.1.10 (September 21, 2014; 26 days ago (2014-09-21)) [±][29]2014
rTorrentJari SundellGPLrTorrent 0.9.4 / libTorrent 0.13.4 (May 9, 2014; 5 months ago (2014-05-09)) [±][30]2014
ShareazaShareaza Development TeamGPL2.7.7.0 (September 14, 2014; 33 days ago (2014-09-14)[31]) [±]2014
SymTorrentImre KelényiGPL1.50 (March 11, 2011; 3 years ago (2011-03-11)[32]) [±]2011
TixatiKevin HearnProprietary

1.99 (September 5, 2014; 42 days ago (2014-09-05) [33]) [±]

2014
Tomato TorrentSarwat KhanBitTorrent Open Source License1.5.1 (October 27, 2007; 6 years ago (2007-10-27)[34]) [±]2007
Tonido TorrentCodeLatheProprietary3.62.0.21836 (December 31, 2012; 21 months ago (2012-12-31)) [±]2012
TorrentFluxvariousGPL2.4 (June 18, 2008; 6 years ago (2008-06-18)[35]) [±]2008
TransmissionvariousGPL/MIT2.84 (1 July 2014; 3 months ago (2014-07-01)) [±][36]2014
TriblerThe Tribler TeamLGPL6.3.3 (September 11, 2014; 36 days ago (2014-09-11)) [±]2013
Vuze (formerly Azureus)VuzeProprietary (platform), GPL (core engine), Adware5.4.0.0 (August 13, 2014; 2 months ago (2014-08-13)) [±][37]2014
WyzoRadical SoftwareProprietary3.6.4 (September 24, 2010; 4 years ago (2010-09-24)) [±]2010
XunleiThunder Networking Technologies]Proprietary7.9.13.4666 (Windows) 2.4.0 (Mac OS X) 1.3 (Android) (21 November 2013; 10 months ago (2013-11-21) (Windows) 27 February 2014; 7 months ago (2014-02-27) (Mac OS X) 23 August 2012; 2 years ago (2012-08-23) (Android)) [±][38]2013
NameDeveloperSoftware licenseLatest stable software releaseYear

Operating system support[edit]

BitTorrent clientWindowsMac OS XLinuxBSDiOSAndroidOther
ABCYesNoYesNoNoNoNo
AcquisitionNoYesNoNoNoNoNo
BitCometYesNoNoNoNoNoNo
BitLetwebwebwebNoNoNoNo
BitLordYesYesNoNoNoNoNo
BitSpiritYesNoNoNoNoNoNo
BitTornadoYesYesYesYesNoNoNo
BitTorrentYesYesYesNoNoYesNo
BitTyrantYesYesYesYesNoNoNo
Blog TorrentYesYesNoNoNoNoNo
DelugeYesYesYesYesNoNoSolaris
FlashGetYesNoNoNoNoNoNo
FolxNoYesNoNoNoNoNo
Free Download ManagerYesNoNoNoNoNoNo
FrostwireYes[39]Yes[39]Yes[39]Yes[39]No[39]Yes[39]Unix-like[39]
KGetNoYesYesYesNoNoNo
KTorrentNoYesYesYesNoNoNo
LimeWireYesYesYesYesNoNoYes
Meerkat Bittorrent ClientYesNoNoNoNoNoNo
MiroYesYesYesYesNoNoNo
MLDonkeyYesNoYesYesNoNoSolaris, MorphOS
µTorrentYesYeswebNoNoYesNo
OneSwarmYesYesYesNoNoNoNo
Opera 12YesYesYesYesNoYesSolaris
qBittorrentYesYesYesYesNoYeseComStation
rTorrentYes Cygwin[40]YesYesYesNoNoSolaris
ShareazaYesNoNoNoNoNoNo
SymTorrentNoNoNoNoNoNoSymbian
TixatiYesNoYesNoNoNoNo
Tomato TorrentNoYesNoNoNoNoNo
TonidoYesYesYesYesNoNoNo
TorrentFluxYesYesYesYesNoNoNo
TransmissionYes as an unofficial buildYesYesYesNoNoSolaris, OpenWrt
TriblerYesYesYesYesNoNoNo
VuzeYesYesYesYesNoYesNo
WyzoYesYesNoNoNoNoNo
NameWindowsMac OS XLinuxBSDiOSAndroidOther

Interface and programming[edit]

BitTorrent clientGUIWebCLIOtherProgramming languageBased onIPv6µTP
ABCYesYesNoNoPythonBitTornadobuggy[Note 1]No
AcquisitionYesNoNoNoObjective-C, CocoaLimewire?No
BitCometYesYesPartial[41]NoC++-NoNo
BitLetNoYesNoNoJava Applet-?No
BitLordYesNoNoNoPython, C++libtorrent (Rasterbar)YesNo
BitTornadoYesNoPartialNoPythonBitTorrentYesNo
BitTorrent 5, MainlineYesNoPartialNoPython-NoNo
BitTorrent 6YesYesPartialNoC++µTorrentYesYes
BitTyrantYesYesPartialTelnet, XML over HTTP remote control APIJava, SWTAzureusYesNo
Blog TorrentYesNoNoNo???No
DelugeYesYesYesDaemonPython, C++libtorrent (Rasterbar)YesNo
FlashGetYesNoNoNo??NoNo
Free Download ManagerYesYesPartialNoC++libtorrent (Rasterbar)?No
KGetYesYesPartial[Note 2]NoC++-YesNo
KTorrentYesYesPartialNoC++-YesYes[42]
LimeWireYesNoNoNoJavalibtorrent (Rasterbar)NoNo
Meerkat Bittorrent ClientYesNoNoNoC++-NoNo
MiroYesNoNoNoC++libtorrent (Rasterbar)?No
MLDonkeyNetwork GUIYesPartialTelnetOCaml-NoNo
µTorrentYesYesNo[43]RESTful Web API[44]C++[45]-Yes[46]Yes[47]
OneSwarmPartialYesNo-partialNoJavaAzureusYesNo
Opera 12YesNoNoNoC++-YesNo
qBittorrentQt (toolkit)YesPartialNoC++, Pythonlibtorrent (Rasterbar)YesYes[48]
rTorrentNoThird PartyYesSCGIC++libTorrent (Rakshasa)No[49]No
ShareazaYesYesPartialNoC++-NoNo
SymTorrentYesNoNoNo???No
TixatiYesYesNoNoC++-YesYes[50]
Tomato TorrentYesNoNoNoCocoaBitTorrentNoNo
Tonido TorrentNoYesNoNoC++libtorrent (Rasterbar)NoNo
TorrentFluxNoYesNoNoPHPBitTornadoNoNo
TransmissionYesYesYesDaemon, JSON-RPC over HTTP remote control APIC-YesYes[51]
TriblerYesPartialPartialNoPython,C++libtorrent (Rasterbar)NoYes
Vuze (formerly Azureus)YesYesPartialTelnet, XML over HTTP remote control APIJava, SWT-YesYes
BitTorrent clientGUIWebCLIOtherProgramming languageBased onIPv6µTP

Features I[edit]

BitTorrent clientMagnet URIPreload Magnet metadataSuper-seedingEmbedded trackerUPnP [Note 3]NAT Port Mapping ProtocolNAT traversal [Note 4]DHT [Note 5]Peer exchangeEncryptionUDP trackerLPDProxy server
ABCNoNoNoYesYesNoNoNoNoNoNoNoNo
AcquisitionNoNoNoNoNoYesNoNoNoNoNoNoNo
BitCometYesNoYesSeparate downloadYesYesYesYesYesYesYesNoHTTP 1.1, SOCKS4-4a-5
BitLetNoNoNoNoYesNoNoNoNoNoNoNoNo
BitLordYesNoNoNoYesYesYesYesYesYesYesYesHTTP 1.1, SOCKS4-4a-5
BitTornadoNoNoYesYes[Note 6]YesNoNoNoNoYesNoNoNo
BitTorrent 5, MainlineNoNoNoYes[Note 6]YesYesNoYesYesYesNoNoYes
BitTorrent 6YesYesYesYesYesYesYesYesYes[Note 7]YesYesYesHTTP(S), SOCKS4-5
BitTyrantNoNoYes[citation needed]YesYesYesYes[Note 8]Yes[Note 9]YesYesNoNoNo
Blog TorrentNoNoNoYesNoNoNoNoNoNoNoNoNo
DelugeYesNoNoNoYesYesYesYesYesYesYesYesHTTP(S), SOCKS4-5
FlashGetNoNoNoNoNoNoNoYesNoYesNoNoNo
Free Download ManagerNoNoNoNoNoNoNoYesYesNoNoNoNo
KTorrentYesYesYesNoYesYesYesYesYesYesYesPartialHTTP, SOCKS4-5
LimeWirePartialNoYesYesYesYesNoYesYesYesYesNoNo
Meerkat Bittorrent ClientNoNoYesNoYesYesYesYesNoYesNoNoNo
MLDonkeyYes[52]NoNoYesYesYesNoYesNoNoYesNoNo
µTorrentYesYesYes[53]Yes[54]Yes[55]YesYes[56]Yes[Note 10]Yes[Note 7]Yes[57]YesYes[58]HTTP(S), SOCKS4-5
OneSwarmNoNoYesYesYesYesYesYesYesYesYesNoNo
Opera 12NoNoNoYes[59]NoNoNoNoYes[60]NoNoNoNo
qBittorrentYesYesYesYesYesYesYesYesYesYesYesYesHTTP(S), SOCKS4-5
rTorrentYes[61]NoYesNoNoNoNoYesYesYesYesNo[62]No
ShareazaYesNoNoNoYesYesN/AYes[Note 11]YesNoYes[Note 12]NoNo
SymTorrentNoNoNoNoN/AN/AN/ANoNoNoNoNoNo
TixatiYesYesYesNoYesYesYesYesYesYesYesYesYes
Tomato TorrentNoNoNoYesNoNoNoYesNoNoNoNoNo
Tonido TorrentNoNoNoNoYesYesYesYesNoNoNoNoNo
TorrentFluxNoNoYesNoYesNoNoNoNoYesNoNoNo
TransmissionYesNoNoNoYesYesYesYesYes[Note 13]YesYesYesNo [63]
TriblerYesNoNoYesYesYesNoYesYesYesNoNoNo
Vuze (formerly Azureus)YesYesYesYesYesYesYes[Note 14]Yes[Note 9]YesYesYesPluginHTTP(S)?, SOCKS4-4a-5
BitTorrent clientMagnet URIPreload Magnet metadataSuper-seedingEmbedded trackerUPnPNAT Port Mapping ProtocolNAT traversalDHTPeer exchangeEncryptionUDP trackerLPDProxy server

Features II[edit]

BitTorrent clientCache [Note 15]Web seeding [Note 16]Broad-catching (RSS)PrioritizationSelective downloadsSequential downloadingSOCKSTracker exchange [64]Remote control via webSearch engineAuto updatesReviews and CommentsNotes
ABCNoYesNoYesNoNoNoYesSeparate downloadNo                                
AcquisitionNoNoNoNoNoNoNoNoNoNoNo3 torrents max, infinity when registered
BitCometYesYes [65]BetaYesYesYes [Note 17]YesNoYesBuilt-in Web browserYesNoPortable version available
BitLetNoNoNoNoNoNoNoNoNoYesNo
BitLordYesNoYesYesYesYesNoNoBuilt-in Web browserYesNo
BitTornadoYesYesNoYesYesNoNoNoNovia PMSNo
BitTorrent 5, MainlineNoYesNoYesYesNoNoNoYesYesNo
BitTorrent 6YesYesYesYesYesYesNoYesYesYesYes
BitTyrantYesYes [66]PluginYesYesYesNoPlugin[Note 18]3rd party pluginsYesNoUpload priority optimized according to a series of research papers
Blog TorrentNoNoNoNoNoNoNoNoNoNoNo
DelugeYesNoPluginYesYesYesNoYesNovia PMSNo
FlashGetNoNoNoNoNoNoNoNoNoNoNoFlashGet (standalone application) is not FlashGot (Firefox Addon)
Free Download ManagerNoNoNoYesYesNoNoYesNoOptionalNo
KTorrentYesYesYesYesYesYes[67]YesNoYesBuilt-in Web browservia PMSNo
LimeWireYesYesNoYesYesYesNoNoNoYesNo
Meerkat Bittorrent ClientYesNoNoNoNoNoNoNoNoNoNo
MLDonkeyYesNo3rd party bash scriptYesNoNo[68]NoYesBuilt-in Web browservia PMSNo
µTorrentYesYes[69]Yes[70]Yes[71]Yessince v3.0 [Note 19]YesNoYesYesYesYes
OneSwarmYesYesNoYesYesYesNoNoNoYesNoBased on Azureus, has all BitTyrant features
Opera 12NoNoYes[Note 20]NoNoNoNoNobuilt-into Web browserWindows and Mac OS X only; via PMS on LinuxNoWeb browser
qBittorrentYesYesYesYesYesYes[72]YesYesYesYesvia PMSNo
rTorrentPartialNo3rd party utility [73]YesYesNoNoYesNovia PMSNoNo built-in disk cache but a delayed sync
ShareazaYesYesNoYesYes[Note 21]Available in mod clientNosince v2.5.3.1
[74][Note 22]
YesYesYesNo[Note 23]
SymTorrentNoNoNoNoNoNoNoNoNoNoNoBitTorrent client for cell phones
TixatiNoNoNoYesYesYesYesYesYesNoNoNolightweight client
Tomato TorrentNoNoNoNoNoNoNoNoNoNoNosupports AppleScript
Tonido TorrentNoNoNoYesYesNoNoYesNoYesNo
TorrentFluxYesYesYesYesYesNoNoYesYesNoNo
TransmissionYesYesNoYesYesNoNoYesNoYesNo
TriblerYesYesYesYesYesNoNoPartialYesYesNoFully distributed keyword search; integrated anti-spam measures[75]
Vuze (formerly Azureus)YesYes [66]YesYesYesYes in paid version [76]YesNoPlugin[Note 18]YesYesNo
XunleiIn v0.1.0.0No
BitTorrent clientCacheWeb seedingBroad-catching (RSS)PrioritizationSelective downloadsSequential downloadingSOCKSTracker exchangeRemote control via webSearch engineAuto updatesReviews and CommentsNotes
  1. ^ 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 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 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. ^ 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.
  16. ^ Recently implemented (unofficial) web seeding feature, see HTTP-Based Seeding Specification
  17. ^ Called "preview mode"
  18. ^ a b Provides a Java-based and a simple HTML/JS based WebUI.
  19. ^ Called "Streaming mode". The number of pieces to download sequentially is configurable
  20. ^ Opera has a feed aggregator that displays feeds like emails.
  21. ^ Since Shareaza v2.4.0.2 r7924.
  22. ^ Shareaza also uses G2 to transmit download metadata, such as BitTorrent trackers to other G2 clients.
  23. ^ 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 clientKnown unpatched vulnerabilities
SecuniaSecurityFocus
Extremely critical
(number / oldest)
Highly critical
(number / oldest)
Moderately critical
(number / oldest)
Less critical
(number / oldest)
Not critical
(number / oldest)
Total
(number / oldest)
BitComet000000
BitLord00000Unknown
BitTornado00000Unknown
BitTorrent000000
BitTorrent DNA000000
BitTyrant00000Unknown
Deluge000000
FlashGet000001
13 August 2008;
6 years ago
 (2008-08-13)
Free Download Manager000000
FrostWire00000Unknown
KTorrent000000
Libtorrent (Rasterbar)000000
LimeWire000000
Miro000001
26 February 2008;
6 years ago
 (2008-02-26)
MLDonkey00001
5 November 2003;
10 years ago
 (2003-11-05)
1
23 February 2009;
5 years ago
 (2009-02-23)
µTorrent for Mac000000
µTorrent for Windows000000
Opera 12000000
Shareaza000000
Tixati00000Unknown
Tomato Torrent00000Unknown
TorrentFlux001
23 April 2008;
6 years ago
 (2008-04-23)
002
18 April 2008;
6 years ago
 (2008-04-18)
Transmission000000
Vuze (formerly Azureus)000001
22 June 2006;
8 years ago
 (2006-06-22)
Wyzo00000Unknown
Xunlei02
28 September 2007;
7 years ago
 (2007-09-28)
0001
17 November 2007;
6 years ago
 (2007-11-17)
BitTorrent clientExtremely critical
(number / oldest)
Highly critical
(number / oldest)
Moderately critical
(number / oldest)
Less critical
(number / oldest)
Not critical
(number / oldest)
Total
(number / oldest)
SecuniaSecurityFocus
Known unpatched vulnerabilities

Libraries[edit]

General
BitTorrent libraryFirst public release dateLatest stableSoftware license
libtorrent (Rasterbar)September 8, 2005; 9 years ago (2005-09-08)[79]1.0.2 (September 9, 2014; 38 days ago (2014-09-09)) [±]Free software
MonoTorrentSeptember 2006; 8 years ago (2006-09)0.90 (May 22, 2010; 4 years ago (2010-05-22)) [±]Free software
rTorrent (libTorrent Rakshasa)July 15, 2004; 10 years ago (2004-07-15)[80]rTorrent 0.9.4 / libTorrent 0.13.4 (May 9, 2014; 5 months ago (2014-05-09)) [±][81]Free software
BitTorrent libraryFirst public release dateLatest stableSoftware license
Operating system support and programming language
BitTorrent libraryLinux/UnixWindowsOS XAPIProgramming language
libtorrent (Rasterbar)YesYesYesYesC++
MonoTorrentYesYesYesYesC#
rTorrent (libTorrent Rakshasa)YesNoYesYesC++
BitTorrent libraryLinux/UnixWindowsOS XAPIProgramming language
Supported features 1
BitTorrent librarySuper-seedingTrackerUPnP [Note 1]NAT Port Mapping ProtocolNAT traversal [Note 2]DHT [Note 3]Peer exchangeEncryptionUDP trackerLPDFast extensionsMagnet URI
libtorrent (Rasterbar)YesYesYesYesYesYesYesYesYesYes[82]YesYes
MonoTorrentYesYesYesYesNoYesYesYesYesYesYesYes
rTorrent (libTorrent Rakshasa)YesYesNo??YesYesYesYes?NoYes
BitTorrent librarySuper-seedingTrackerUPnPNAT Port Mapping ProtocolNAT traversalDHTPeer exchangeEncryptionUDP trackerLPDFast extensionsMagnet URI
Supported features 2
BitTorrent libraryCache[Note 4]Web seeding [Note 5]Broadcatching (RSS)PrioritizationSelective downloadsSOCKSRemote control via webEngineNotes
libtorrent (Rasterbar)YesYesYesYesYesYesYes?
MonoTorrentYesYesYesYesYesNoYesNo
rTorrent (libTorrent Rakshasa)PartialNoNoYesYesNoYesNoNo built-in cache-disk cache but a delayed sync
BitTorrent libraryCacheWeb seedingBroadcatching (RSS)PrioritizationSelective downloadsSOCKSRemote control via webEngineNotes

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. ^ a b "Glossary". BitTorrent User Manual. San Francisco: BitTorrent, Inc. Retrieved 2 July 2013. 
  2. ^ Cohen, Bram (2 July 2001). "BitTorrent - a new P2P app". Decentralization · Implications of the end-to-end principle. Yahoo! Groups. Retrieved 2 July 2013. 
  3. ^ "BitTorrent Malware Spreads to Media Players". TorrentFreak. 22 May 2007. Retrieved 3 July 2013. 
  4. ^ "Malicious BitTorrent Clients: New Coat of Paint, Same Bad Story". Leecher Mods. 4 August 2007. Retrieved 3 July 2013. 
  5. ^ "BitTorrent users beware!". Hosts News. 19 July 2007. Retrieved 3 July 2013. 
  6. ^ Van Der Sar, Ernesto (14 October 2013). "Google-backed BitTorrent client spread malware to Windows PCs and Android devices". TorrentFreak. Retrieved 19 November 2013. 
  7. ^ Gibbs, Samuel (15 October 2013). "Google-Backed File-Sharing Service Spreads Malware". The Guardian. Guardian News and Media. Retrieved 19 November 2013. 
  8. ^ "ABC (Yet Another Bittorrent Client) at SourceForge.net". ABC.SourceForge.net. 2005-10-03. Retrieved 2010-01-21. 
  9. ^ "BitComet Client Release Notes - A free C++ BitTorrent/HTTP/FTP Download Client". www.bitcomet.com. 2010-08-31. Retrieved 2010-08-31. 
  10. ^ "BitSpirit ChangeLog". bitspirit.cc. 2010-12-29. Retrieved 2012-02-27. 
  11. ^ BitTorrent Windows download page
  12. ^ BitTorrent Mac download page
  13. ^ "BitTyrant". University of Washington - Computer Science & Engineering. 2007-09-07. Retrieved 2010-01-21. 
  14. ^ "Best Download Manager - FlashGet". FlashGet. 2009-12-23. Retrieved 2010-01-20. 
  15. ^ "Free Download Manager". Files. Free Download Manager.org. Retrieved 17 October 2014. 
  16. ^ "KDE Ships Applications and Platform 4.14.1". KDE. 16 September 2014. Retrieved 16 September 2014. 
  17. ^ KTorrent, ktorrent.org, 2013-01-17, retrieved 2013-01-29 
  18. ^ "lftp news". Retrieved 2014-10-13. 
  19. ^ ftp.osuosl.org :: Oregon State University Open Source Lab, 7 Oct 2012, retrieved 2013-01-04 
  20. ^ "MLDonkey at SourceForge.net". MLDonkey.SourceForge.net. 2014-03-22. Retrieved 2014-05-09. 
  21. ^ "Download - µTorrent - a (very) tiny BitTorrent client". www.utorrent.com. 2014-02-19. 
  22. ^ "cmeisel" (2014-02-19). "µTorrent 3.4 Stable - Forums". Announcements. forum.utorrent.com. 
  23. ^ a b "Download - µTorrent - a (very) tiny BitTorrent client". www.utorrent.com. 2013-04-03. 
  24. ^ "vadimt" (2013-04-03). "µTorrent Mac 1.8.2 stable". Announcements (Mac). forum.utorrent.com. 
  25. ^ "uTorrent for Mac release notes". 
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External links[edit]