DC++

DC++

DC++ 0.777 running on a Windows 7 Installation
Developer(s) Jacek Sieka
Stable release
0.852 / October 2, 2016 (2016-10-02)
Written in C++
Operating system Windows
Type Peer-to-peer
License GNU GPLv2 or later
Website dcplusplus.sourceforge.net

DC++ is a free and open-source, peer-to-peer file-sharing client that can be used to connect to the Direct Connect network or to the ADC protocol. It is developed primarily by Jacek Sieka, nicknamed arnetheduck.

As of 2008, DC++ had around 90% market share of the Direct Connect community.[1]

DC++ is a free and open-source alternative to the original client, NeoModus Direct Connect (NMDC); it connects to the same file-sharing network and supports the same file-sharing protocol. One of the reasons commonly attributed to the aforementioned popularity of DC++ is that it has no adware of any kind, unlike NMDC.[2]

Many other clients exist for the Direct Connect network, and most of these are DC++ "mods": modified versions of DC++, based on DC++'s source code. A partial list of DC++ mods is given below. Some of these clients were developed for specialized communities (e.g. music-sharing communities), or in order to support specific experimental features, or perhaps features that have been rejected from inclusion in DC++ itself. An example of an experimental feature is hashing, which was initially implemented in BCDC++ and later adopted by DC++.

Forks

Chart showing DC++ and its forks[3]

An advantage of the free and open-source nature of DC++ is that several mods have been released which add features to the original client.

Many users send patches to DC++ which are included in future releases, but some features are rejected by the developer. Stated reasons for rejecting a patch are because they are coded poorly, or that the feature is frivolous, abusable or overly specialized, and does not belong in the main client. Examples include: upload bandwidth limiting (many users feel that upload bandwidth limiting is a form of cheating, while other users not using a full-duplex network connection can only achieve reasonable download speeds by limiting uploads), colorized chat, specialized operator functions (e.g. client/share checking).

The developers of some forks contribute features and bug-fixes back upstream to DC++.

Client software comparison

General

Client FOSS
 Software license Active
AirDC++ Yes GNU GPLv2 or later Yes
TkDC++ Yes GNU GPLv2 or later Yes
ApexDC++ Yes GNU GPLv2 or later Yes
DC++ Yes GNU GPLv2 or later Yes
EiskaltDC++ Yes GNU GPLv3 or later Yes
FlylinkDC++ Yes GNU GPLv2 or later Yes
LinuxDC++ Yes GNU GPLv2 or later Yes
RSX++ Yes GNU GPLv2 or later Yes
StrongDC++ Yes GNU GPLv2 or later No
Client FOSS
 Software license Active

Operating system support

Client Windows
 Linux
Mac OS X
BSD
Haiku
AirDC++ Yes No No No No
TkDC++ Yes No No No No
ApexDC++ Yes No No No No
DC++ Yes No No No No
EiskaltDC++ Yes Yes Yes Yes Yes
FlylinkDC++ Yes No No No No
LinuxDC++ No Yes No Yes No
RSX++ Yes No No No No
StrongDC++ Yes No No No No
Client Windows
 Linux
Mac OS X
BSD
Haiku

Interface and programming

Client GUI
 CLI
WebUI
Programming language
Based on
AirDC++ Yes No No C++ StrongDC++
TkDC++ Yes No No C++ StrongDC++ / DC++ bzr
ApexDC++ Yes No No C++ StrongDC++
DC++ Yes No No C++ -
EiskaltDC++ Yes Yes Yes C++ DC++
FlylinkDC++ Yes No Yes C++ ApexDC++/StrongDC++
LinuxDC++ Yes No No C++ DC++
RSX++ Yes No No C++ StrongDC++
StrongDC++ Yes No No C++ DC++
Client GUI
 CLI
WebUI
Programming language
Based on

Features

Client
Magnet URI
UPnP
NAT traversal
DHT
Encryption
IPv6
IDNA
Plugin
Proxy
Hash algorithms Protocol support
AirDC++ Yes Yes Yes No Yes Yes No Yes Tiger Tree Hash TIGR, ADCS
ApexDC++ Yes Yes Yes Yes Yes No No Lua, C++ Yes Tiger Tree Hash TIGR, ADCS
DC++ Yes Yes Yes No Yes Yes No Yes Tiger Tree Hash TIGR, ADCS
EiskaltDC++ Yes Yes Yes Yes Yes No Yes Lua, Qt Script, QML Yes Tiger Tree Hash TIGR, ADCS
FlylinkDC++ Yes Yes Yes Yes Yes No Yes Yes Tiger Tree Hash TIGR, ADCS
LinuxDC++ Yes Yes Yes No Yes No No Yes Tiger Tree Hash TIGR, ADCS
RSX++ Yes Yes Yes Yes Yes No No Lua, C++ Yes Tiger Tree Hash TIGR, ADCS
StrongDC++ Yes Yes Yes Yes Yes No No Yes Tiger Tree Hash TIGR, ADCS
Client
Magnet URI
UPnP
NAT traversal
DHT
Encryption
IPv6
IDNA
Plugin
Proxy
Hash algorithms Protocol support

See also

References

  1. ↑ Fredrik Ullner (January 2008). "PC Pitstop and its P2P-report". DC++: Just These Guys, Ya Know?. Retrieved 2008-03-19.
  2. ↑ Annalee Newitz (July 2001). "Sharing the Data". Metro, Silicon Valley's Weekly Newspaper. Metro Publishing Inc. Retrieved 2006-12-21.
  3. ↑ http://www.adcportal.com/wiki/Client_Software
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