DC++

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

DC++
DC++ 0.777 running on a Windows 7 Installation
Developer(s)Jacek Sieka
Stable release
0.868 / November 12, 2018 (2018-11-12)
Written inC++
Operating systemWindows
TypePeer-to-peer
LicenseGNU GPLv2 or later
Websitedcplusplus.sourceforge.net

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 Release date (latest version)
AirDC++ Yes GNU GPLv2 or later Yes 2019-11-17 (v3.60)
ApexDC++ Yes GNU GPLv2 or later Yes 2018-12-25 (v1.6.5)
DC++ Yes GNU GPLv2 or later Yes 2018-11-12 (v0.868)
EiskaltDC++ Yes GNU GPLv3 or later Yes 2013-08-29 (v2.2.9)
FlylinkDC++ Yes GNU GPLv2 or later Yes 2017-01-20 (r504)
LinuxDC++ Yes GNU GPLv2 or later No 2011-04-17 (v1.1.0)
RSX++ Yes GNU GPLv2 or later No 2011-04-14 (v1.21)
StrongDC++ Yes GNU GPLv2 or later No 2010-12-27 (v2.42)
TkDC++ Yes GNU GPLv2 or later No 2010-11-29 (v1.3)
Client FOSS
 Software license Active Release date (latest version)

Operating system support
Client Windows
 Linux
macOS
BSD
Haiku
AirDC++ Yes Yes Yes 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
TkDC++ Yes No No No No
Client Windows
 Linux
macOS
BSD
Haiku

Interface and programming
Client GUI
 CLI
WebUI
Programming language
Based on
AirDC++ Yes No Yes C++ StrongDC++
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++
TkDC++ Yes No No C++ StrongDC++ / DC++ bzr
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
gollark: I was mostly complaining about their specific reasoning there (it is not very sensible, inasmuch as basically no possible bad event is *guaranteed* but ignoring the possibility of them is quite bad for you), but I don't agree with the rest of what they said either, so thing.
gollark: Bold of you to assume I know things.
gollark: > it's okay to not be scared of what MIGHT happenThis is such a moronically stupid attitude toward risk. Among other things.
gollark: ("you" in general)
gollark: I think that you generally have basically no chance of actually convincing anyone wrt. politics, and will probably just alienate them.

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. "Archived copy". Archived from the original on 2011-07-07. Retrieved 2011-01-28.CS1 maint: archived copy as title (link)

Official

Unofficial
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