Comparison of Direct Connect software

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This article compares features and other data about client and server software for Direct Connect, a peer-to-peer file sharing protocol.

Hub software[edit]

Direct Connect hubs are central servers to which clients connect, thus the networks are not as decentralized as Gnutella or FastTrack. Hubs provide information about the clients, as well as file-searching and chat capabilities. File transfers are done directly between clients, in true peer-to-peer fashion.

Hubs often have special areas of interest. Many have requirements on the total size of the files that their members share (share size), and restrictions on the content and quality of shares. A hub can have any arbitrary rule. Hubs can allow users to register and provide user authentication. The authentication is also in clear text. The hub may choose certain individuals as operators (similar to IRC operators) to enforce said rules if the hub itself cannot.

While not directly supported by the protocol, hub linking software exists. The software allow multiple hubs to be connected, allowing users to share and/or chat with people on the other linked hubs. Direct connect hubs have difficulty scaling, due to the broadcast-centricity of the protocol.

General[edit]

NMDC[1] hub FOSS Software license Active Latest version (release date) GUI
CLI
Other
IPv6 support Programming language Based on Notes
UFOHub No Proprietary
Freeware
Yes 8.17.3 (2017-Mar-5) Yes No Yes Yes Unknown
PTDCH Yes GNU GPL Yes Never released since 2008 Yes Unknown Unknown No Visual Basic, Jscript, VBscript DDCH
Dtella Yes GNU GPL Yes 1.2.9 (2015-06-07)[2] No No Yes No Python
HeXHub Yes Open Software License Yes 5.12 (2014-03-01) Yes Unknown Unknown No Assembly
Open Direct Connect Hub Yes GNU GPL No 0.8.3 (2014-08-14) No Unknown Unknown No C, Perl Available in Debian[3] and OpenWrt[4]
Flexhub Yes GNU AGPL Yes Beta 0.2 svn 1469 (2013-10-22) Pending Yes Unknown No Lua
PtokaX Yes GNU GPL Yes 0.5.2.1 (2015-09-03)[5] Yes Yes Unknown Yes C++, Lua
RusHub Yes GNU GPL Yes 2.3.10 (2012-06-10)[6] No Yes Unknown Yes C++, Lua Verlihub[7]
VerliHub Yes GNU GPL Yes 1.0.0-RC4 (2015-02-28) No Yes Unknown No C++, Lua, Python, Perl
Eximius[8] No Proprietary
Freeware
Yes 2007 Yes Unknown Unknown No C#, Lua
DB Hub Yes GNU GPL No 0.451 (2008-02-08) Unknown Unknown Unknown No Unknown OpenDCHub
openDCd Yes GNU GPL No 2002 Unknown Unknown Unknown No Unknown
DDCH DevDirect Connect Hub Unknown Unknown No Yes No No No Visual Basic, Jscript
py-dchub Yes MIT License No 0.2.4 (2006-02-13) Unknown Unknown Unknown No Python
Aquila Yes GNU GPL No 0.1.11-pre4-beta4 (2015-02-17) No Yes No No C++, Lua
YnHub No Proprietary
Freeware
Yes 1.0363 (2014-02-20) Yes No No No Delphi
LamaHub Yes GNU GPL No 0.0.6.3 (2010-04-25) Unknown Unknown Unknown No C
DC Sharp Hub Yes GNU GPL No 3.0.4 beta (2004-09-06) Unknown Unknown Unknown No C#
NMDC hub FOSS Software license Active Latest version (release date) GUI
CLI
Other
IPv6 support Programming language Based on

Operating system support[edit]

NMDC hub Windows
Linux
Mac OS X
Other
UFOHub Yes No No No
Eximius Yes No No No
PTDCH Yes No No No
Aquila Yes Yes No No
Dtella Yes Yes Yes No
HeXHub Yes No No No
Open Direct Connect Hub No Yes No OpenWrt
Flexhub Yes Yes No Qnap and Synology NAS Devices
openDCd Yes Yes No No
DDCH DevDirect Connect Hub Yes No No No
DBHub No Yes No No
PtokaX Yes Yes Yes FreeBSD, OpenBSD, NetBSD, Solaris, illumos, Haiku
py-dchub Yes Yes Yes Any Python compatible platform
RusHub Yes Yes Yes FreeBSD, Solaris
VerliHub No Yes No No
Yhub Yes No No No
Ynhub Yes No No No
LamaHub Yes Yes Yes OS/2, OpenBSD, NetBSD, TrueOS, FreeBSD, ZeX/OS, Android[9]
DC Sharp Hub Yes No No No
NMDC hub Windows
Linux
Mac OS X
Other

Client software[edit]

For additional clients that are NMDC[10] compatible see ADC Compatible Clients since this list is for NMDC clients only.

While not mandated by the protocol, most clients send a "tag". This is part of the client's description and display information ranging from client name and version to number of total available slots to if the user is using a proxy server. It was originally added to DC++, due to its ability to be in multiple hubs with the same instance. The information is arbitrary. The original client's file list (a comprehensive list of the files a user shares) was compressed using Huffman's compression algorithm. Newer clients (among them DC++) serve an XML-based list, compressed with bzip2.

General[edit]

NMDC Client FOSS Software license Active Windows Linux Mac OS X Other OS GUI CLI Other UI Programming language Based on
MLDonkey Yes GNU GPL Yes Yes Yes Yes No Yes Yes WebUI OCaml, C, assembly
Shareaza Yes GNU GPL Yes Yes No No No Yes Unknown Unknown C++
NeoModus Direct Connect No Proprietary
Freeware
No Yes Yes No No Yes No No Visual Basic, C++
ShakesPeer Yes GNU GPL No No No Yes No Yes No No C
Valknut Yes GNU GPL No No Yes No FreeBSD Yes No No C++
DCTC Yes GNU GPL No No No Yes C++
DC# Yes GNU GPL No Yes No No No Yes No No C#
LDCC Unknown Unknown No No Yes No No No No Yes C
DCDM++ Yes GNU GPL No Yes No No No Yes No No C++ DC++
fulDC Yes GNU GPL No Yes No No No Yes No No C++ DC++
RevConnect Yes GNU GPL No Yes No No No Yes No No C++ DC++
CzDC Yes GNU GPL Yes Yes No No No Yes No No C++ DC++
EiskaltDC Yes GNU GPL No No Yes Yes FreeBSD Yes No No C++ Valknut
ncdc Yes MIT Licence Yes No Yes Yes FreeBSD No Yes No C
NMDC Client FOSS Software license Active Windows Linux Mac OS X Other OS GUI CLI Other UI Programming language Based on

Other software[edit]

Hub linking software links hubs' main chat, so that users can see and respond to chat that is in a hub they're not directly connected to. Often used to draw in users to hubs, or make private or small hubs more widely known. Whereas advertising a hub is "frowned upon" and is usually repercussion with floods or denial of service attacks, forming a more or less formal network by means of linking hub chat is a legitimate means for getting free publicity. Some Hub programs are able to support a more advanced form of linking which includes all the normal functions, chat, private messages, search and file transfers between users on different hubs can be supported through hub specific solutions or hub software neutral extensions using scripts/plug-ins.

General[edit]

Other software Software type FOSS Software license Active
jDCBot General library Yes GNU GPL Yes
Net::DirectConnect General library Yes Unknown Yes
FlowLib General library Yes GNU GPL Yes
DC-hublink Link Yes GNU GPL No
Hub-Link Link Yes GNU GPL No
MyIrcDcLinks Link Yes GNU GPL Yes
NetChatLink Link Yes GNU GPL Yes
Kitty Bot Yes GNU GPL No
Other software Software type FOSS Software license Active

Operating system support[edit]

Other software Windows
Linux
Mac OS X
Other
jDCBot Yes Yes Yes Any Java compatible platform
Net::DirectConnect Yes Yes Yes Any Perl compatible platform
FlowLib Yes Yes Yes Any C# compatible platform
DC-hublink Yes No No No
Hub-Link Yes No No No
MyIrcDcLinks Yes No No No
NetChatLink Yes No No Runs under WINE
Kitty Yes No No No
Other software Windows
Linux
Mac OS X
Other

Interface and programming[edit]

Other software GUI
CLI
Other
Programming language
Based on
jDCbot No No No Java
Net::DirectConnect No No No Perl
FlowLib No No No C#
DC-hublink Yes No No Visual Basic
Hub-Link Yes No No Visual Basic
MyIrcDcLinks Yes No No Delphi
NetChatLink Yes No No Delphi
Kitty Unknown Unknown Unknown C#
Other software GUI
CLI
Other
Programming language
Based on


References[edit]

  1. ^ NMDC : NeoModus Direct Connect
  2. ^ "Dtella Labs". dtella.org. Archived from the original on 11 Jul 2012. Retrieved 30 December 2016. 
  3. ^ "Package: opendchub (0.8.2-2)". debian.org. Archived from the original on 16 Apr 2014. Retrieved 30 December 2016. 
  4. ^ "Index of /snapshots/trunk/ar71xx/packages/". openwrt. Archived from the original on 16 Apr 2014. Retrieved 30 December 2016. 
  5. ^ "PtokaX Direct Connect Hub". www.ptokax.org. Archived from the original on 7 Sep 2012. Retrieved 30 December 2016. 
  6. ^ "RusHub - Browse /RusHub at SourceForge.net". sourceforge.net. Archived from the original on 22 Jul 2012. Retrieved 30 December 2016. 
  7. ^ "rushhub.org". rushhub. Archived from the original on 23 Jun 2015. Retrieved 30 December 2016. 
  8. ^ "Eximius". RS2Soft.nl. 8 May 2009. Archived from the original on 4 February 2009. Retrieved 30 December 2016. 
  9. ^ "LamaHub DC++ hubsoft". lamahub.sourceforge.net. Archived from the original on 25 Dec 2012. Retrieved 30 December 2016. 
  10. ^ NMDC : NeoModus Direct Connect