Comparison of IRC clients: Difference between revisions

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The following tables compare general and technical information between a number of IRC client programs. Please see the individual products articles for further information. This article is not all-inclusive or necessarily up-to-date.

General

Basic general information about the clients: creator/company, license/price etc. Clients listed on a light purple background are no longer in active development.

Client	Primary developers	Cost	Software license	User interface	Programming language	Computing platform
AmIRC	Oliver Wagner, Jamie van den Berge	Commercial	Proprietary	GUI	C	m68k, PowerPC
Bersirc	Jamie Frater, Nicholas Copeland	Free software	GNU LGPL	GUI	C	x86
BitchX	Colten Edwards	Free software	BSD License	TUI, GUI	C	x86
ChatZilla		Free software	MPL/GNU GPL/GNU LGPL tri-license	GUI ^{[Note 1]}	JavaScript, XUL
Colloquy	Timothy Hatcher, Kiji Roshi	Desktop: Free software, Mobile: Commercial	Desktop: GNU GPL, Mobile: BSD License	GUI	Objective-C	PowerPC, x86 ^{[Note 2]}, ARM (Mobile)
Conspire		Free software	GNU GPL	TUI, GUI	C	x86
ERC		Free software	GNU GPL	TUI	Emacs Lisp
EPIC	EPIC Software Labs	Free software	BSD License	TUI	C	x86
HydraIRC	Dominic Clifton	Freeware	Proprietary	GUI	C++	x86
ircII		Free software	BSD License	TUI	C	x86
IRCjr	Michael Brutman	Freeware	Proprietary	?	C++
Ircle	Onno Tijdgat	Commercial 30-day trial	Proprietary	GUI	?	PowerPC, x86 ^{[Note 2]}
Irssi	Timo Sirainen	Free software	GNU GPL	TUI	C	x86
Konversation		Free software	GNU GPL	GUI	C++	PowerPC, x86
KVIrc	Szymon Stefanek	Free software	GNU GPL	GUI	C++	x86
LimeChat	Satoshi Nakagawa	Free software	GNU GPL	GUI	RubyCocoa	PowerPC, x86 Template:Refun
Mibbit	Jimmy Moore	Textual Adbar	Proprietary	Web-based	Javascript frontend, Java backend	N/A
mIRC	Khaled Mardam-Bey	Commercial, 30-day trial^[1]	Proprietary	GUI	C/C++ (originally Borland C++)^[2]	x86
Nettalk	Nicolas Kruse	Free software	Apache License v2.0	TUI, GUI	Visual Basic
Opera		Freeware	Proprietary	GUI ^{[Note 3]}	C++
PIRCH		Shareware	Proprietary	GUI	?	x86
Quassel IRC		Free software	GNU GPL	GUI Template:Refun	C++
ScrollZ		Free software	BSD License	TUI	C
Smuxi	Mirco Bauer	Free software	GNU GPL	TUI, ^{[Note 4]} GUI ^{[Note 5]}	C#	x86, x86-64
Snak	Kent Sørensen	Commercial	Proprietary	GUI	?	PowerPC, x86 ^{[Note 2]}
sushi IRC suite	Michael Kuhn, Marian Tietz	Free software	BSD License	TUI, GUI Template:Refun	C, Python	x86
Visual IRC		Free software	GNU GPL	GUI	?	x86
WeeChat	Sebastien Helleu	Free software	GNU GPL	TUI, GUI ^{[Note 6]}	C	x86
XChat		UNIX/Linux: Free software, Windows: Commercial, 30-day trial	GNU GPL	TUI, GUI	C	x86
Client	Primary developers	Cost	Software license	User interface	Programming language	Computing platform

^ Can be installed as part of a web browser
^ ^a ^b ^c Distributed as a Universal Binary
^ Web browser component
^ Not complete, proof of concept
^ Separate client and daemon
^ In development

Release history

A brief overview of the release history.

Client	First public release		First stable release		Latest stable release
Client	Date	Version	Date	Version	Latest stable release
0irc	January 25, 2000	1.0 build 1			Template:Latest stable software release/0irc
Aki					Template:Latest stable software release/Aki
AmIRC	1995				Template:Latest stable software release/AmIRC
Bersirc	1999				2.2.14 (12 August 2005; 19 years ago (2005-08-12)) [±]
BitchX	1996				1.2.1 (November 14, 2014; 9 years ago (2014-11-14)) [±]
bnIRC	2004				Template:Latest stable software release/bnIRC
ccorp-irc	2004				Template:Latest stable software release/ccorp-irc
ChatZilla	2001				0.9.93 (November 8, 2016; 7 years ago (2016-11-08)^[3]) [±]
ClicksAndWhistles	February 14, 2008	1.0	February 14, 2008	1.0	Template:Latest stable software release/ClicksAndWhistles
Colloquy	2005				2.4.3 (6011) (March 22, 2014; 10 years ago (2014-03-22)) [±]
Conspire	2007				Template:Latest stable software release/Conspire
Coolsmile	2002				Template:Latest stable software release/Coolsmile
DMDirc	2007				0.7 (January 5, 2013; 11 years ago (2013-01-05)^[4]) [±]
dxirc	2008				Template:Latest stable software release/dxirc
EPIC	1994				Template:Latest stable software release/EPIC
HydraIRC	2002				Template:Latest stable software release/HydraIRC
IceChat	2002				9.54^[5] (1 June 2023; 15 months ago (1 June 2023)) [±]
ii	2006				Template:Latest stable software release/ii
ircII	1990				20210314 (March 14, 2021; 3 years ago (2021-03-14)) [±]
IRCjr	2008				mTCP_2023-03-31 (March 31, 2023; 17 months ago (2023-03-31)^[6]) [±]
Ircle	1995				3.5a6 (November 17, 2007; 16 years ago (2007-11-17)) [±]
Irssi	1999				1.4.4 (March 31, 2023; 17 months ago (2023-03-31)) [±]^[7]
jini	2002				3.0.0 (October 5, 2016; 7 years ago (2016-10-05)^[8]) [±]
Klient	1999				Template:Latest stable software release/Klient
Konversation	2002				Template:Latest stable software release/Konversation
KoolChat					Template:Latest stable software release/KoolChat
KoroIRC	2004				Template:Latest stable software release/KoroIRC
KSirc	1997				Template:Latest stable software release/KSirc
KVIrc	1998				5.2.0 (January 14, 2024; 7 months ago (2024-01-14)^[9]) [±]
LeetIRC	2006				Template:Latest stable software release/LeetIRC
lightIRC	2008				Template:Latest stable software release/lightIRC
LimeChat	2007				Template:Latest stable software release/LimeChat
Linkinus	2007				2.4.3 (August 23, 2011; 13 years ago (2011-08-23)^[10]) [±]
Mibbit	2008				web application, no version
mIRC	1995				7.77 (11 June 2024; 2 months ago (2024-06-11)^[11]) [±]
mzirc	2006				Template:Latest stable software release/mzirc
Neebly	December 13, 2008	1.0.1			Template:Latest stable software release/Neebly
Nettalk	2004				6.7.16 (October 30, 2012; 11 years ago (2012-10-30)^[12]) [±]
nexIRC	2004				Template:Latest stable software release/nexIRC
Opera	1996				100.0.4815.21 (June 20, 2023; 14 months ago (2023-06-20)^[13]^[14]^[15])
Orion (IRC client)		1.0			Template:Latest stable software release/Orion (IRC client)
OrnateIRC	2001				Template:Latest stable software release/OrnateIRC
PhibianIRC	2005				Template:Latest stable software release/PhibianIRC
PIRCH	1995				1.0.1.1190 (January 1, 2001; 23 years ago (2001-01-01)) [±]
PJIRC	2002				2.2.1 (November 29, 2004; 19 years ago (2004-11-29)) [±]
Quassel IRC	2008				0.14.0 (January 1, 2022; 2 years ago (2022-01-01)) [±]
rxIRC	February 14, 1991				Template:Latest stable software release/rxIRC
savIRC	2001				Template:Latest stable software release/savIRC
ScrollZ	1994				Template:Latest stable software release/ScrollZ
ShadowIRC	1996				Template:Latest stable software release/ShadowIRC
Smuxi	2008				1.2.1 (April 23, 2023; 16 months ago (2023-04-23)) [±]
Snak	1997				5.3.4 (March 11, 2012; 12 years ago (2012-03-11)^[16]) [±]
sushi IRC suite	September 30, 2008	1.0-alpha1	April 26, 2009	1.0.0	Template:Latest stable software release/sushi IRC suite
ThrashIRC	2003				Template:Latest stable software release/ThrashIRC
TurboIRC	1998				Template:Latest stable software release/TurboIRC
Visual IRC	1995				2.0pl2 (December 30, 2007; 16 years ago (2007-12-30)) [±]^[17]
Vortec IRC	2001				Template:Latest stable software release/Vortec IRC
WeeChat	2003				4.4.0 (August 17, 2024; 23 days ago (2024-08-17)^[18]) [±]
WookieChat	2004				Template:Latest stable software release/WookieChat
XChat	1998				Template:Latest stable software release/XChat
XiRCON	1996				1.0B4 (August 10, 1997; 27 years ago (1997-08-10)) [±]
Client	Date	Version	Date	Version	Latest stable release
Client	First public release		First stable release		Latest stable release

Operating system support

The operating systems on which the clients can run natively (without emulation).

Client	Windows 7, Vista	XP, 2000	NT 4.0	NT 3.x	Me, 98	95	3.1x	ReactOS	Mac OS X (Intel/PPC)	OS 9	OS 8	System 7 (PPC/68k)	BeOS, Haiku	OS/2, eCS	AmigaOS (68k)	AmigaOS 4, MorphOS (PPC)	DOS	Other
0irc	Yes	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
Aki	Yes	Yes	No	No	No	No	No	?	Partial	No	No	No	No	No	No	No	No
AmIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	Yes	No	No
Bersirc	Yes	Yes	?	No	?	?	No	?	?	No	No	No	No	No	No	No	No
BitchX	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	?	Yes	No	No	No	?	Yes ^{[Note 2]}	No	Yes	No
bnIRC	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	?	Yes	No	No	No	?	No	No	No	No	Palm OS
ccorp-irc	?	?	?	?	?	?	No	?	Yes	?	?	No	?	No	No	No	No
ChatZilla	Yes	Yes	Yes	?	Yes	Yes	?	?	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	No
ClicksAndWhistles	Yes	Yes	?	No	Yes	No	No	?	No	No	No	No	No	No	No	No	No
Colloquy	No	No	No	No	No	No	No	No	Yes ^{[Note 3]}	No	No	No	No	No	No	No	No
Conspire	Partial ^{[Note 4]}	Partial ^{[Note 4]}	?	No	?	?	No	?	Yes	No	No	No	No	No	No	No	No
Coolsmile	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No
DMDirc	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No
dxirc	Yes	Yes	?	No	?	?	No	Yes	Yes	No	No	No	?	Yes	?	Yes	No
EPIC	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	?	Yes	No	No	No	?	?	?	?	No
HydraIRC	Yes	Yes	Yes	No	Yes	?	No	?	No	No	No	No	No	No	No	No	No
IceChat	Yes	Yes	Yes	No	Yes	Yes	No	?	No	No	No	No	No	No	No	No	No
ii	?	?	?	No	?	?	No	?	Yes	No	No	No	?	No	No	No	No
ircII	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	Yes ^{[Note 1]}	Yes ^{[Note 1]}	No	?	Yes	No	No	No	No	No	No	?	No
IRCjr	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	Yes
Ircle	No	No	No	No	No	No	No	No	Yes ^{[Note 3]}	Yes	Yes	Yes	No	No	No	No	No
Irssi	Yes	Yes	Yes	No	Yes	Yes	No	?	Yes	No	No	No	Yes	Yes	?	Yes	No
jini	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No
Klient	Yes	Yes ^{[Note 5]}	Yes ^{[Note 5]}	No	Yes ^{[Note 5]}	Yes ^{[Note 5]}	No	?	No	No	No	No	No	No	No	No	No
Konversation	Partial	Partial	Partial	No	Partial	Partial	No	?	Partial	No	No	No	No	No	No	No	No
KoolChat	Yes	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
KoroIRC	Yes	Yes	Yes ^{[Note 6]} ^{[Note 7]}	No	Yes ^{[Note 6]}	No	No	?	No	No	No	No	No	No	No	No	No
KSirc	No	No	No	No	No	No	No	No	?	No	No	No	No	No	No	No	No
KVIrc	Yes	Yes	Yes	No	Yes	Yes	No	?	Yes	No	No	No	No	No	No	No	No
LeetIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	Yes
lightIRC	Yes	Yes	Yes	No	Yes	Yes	No	Yes	Yes	No	No	No	No	No	No	No	No
LimeChat	No	No	No	No	No	No	No	No	Yes ^{[Note 3]} ^{[Note 8]}	No	No	No	No	No	No	No	No
Linkinus	No	No	No	No	No	No	No	No	Yes ^[26]	No	No	No	No	No	No	No	No
Mibbit	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
mIRC	Yes	Yes	Yes	Partial	Yes	Yes	Partial	?	No	No	No	No	No	No	No	No	No
mzirc	Yes	Yes	Yes	No	Yes	Yes	Yes	?	No	No	No	No	No	No	No	No	No
Neebly	Yes	Yes ^[27]	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Nettalk	Yes	Yes	?	No	Partial Template:Teg:ref	No	No	?	No	No	No	No	No	No	No	No	No
nexIRC	Yes	Yes	No	No	No	No	No	?	No	No	No	No	No	No	No	No	No
Opera	Yes	Yes	Dropped (10.10)	No	Yes	Yes	Dropped	No^[28]	Yes	Dropped	Dropped	No	Dropped	Dropped	No	No	No
Orion (IRC client)	Yes	Yes	No	No	No	No	No	?	No	No	No	No	No	No	No	No	No
OrnateIRC	?	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
PhibianIRC	Yes	Yes	Yes	No	Yes	Yes	No	?	No	No	No	No	No	No	No	No	No
PIRCH	Yes	Yes	Yes	?	Yes	Yes	Yes	?	No	No	No	No	No	No	No	No	No
PJIRC	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No
Quassel IRC	Yes	Yes	?	No	?	?	No	?	Yes	No	No	No	No	No	No	No	No
rxIRC	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	VM/CMS
savIRC	Yes	Yes	Yes	?	Yes	Yes	?	?	Yes	Yes	Yes	?	?	?	?	?	No
ScrollZ	Yes	Yes	Yes	No	Yes	Yes	No	?	Yes	No	No	No	?	?	?	?	No
ShadowIRC	No	No	No	No	No	No	No	No	?	Yes	Yes	?	No	No	No	No	No
Smuxi	Yes	Yes	?	No	?	?	No	?	Yes	No	No	No	No	No	No	No	No
Snak	No	No	No	No	No	No	No	No	Yes	Yes	Yes	?	No	No	No	No	No
sushi IRC suite	No	No	No	No	No	No	No	No	Yes	No	No	No	No	No	No	No	No
ThrashIRC	Yes	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
TurboIRC	Yes	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
Visual IRC	Yes	Yes	Yes	No	Yes	Yes	No	?	No	No	No	No	No	No	No	No	No
Vortec IRC	Yes	Yes	Yes	No	Yes	Yes	No	?	No	No	No	No	No	No	No	No	No
WeeChat	Partial ^{[Note 1]} ^{[Note 3]}	Partial ^{[Note 1]} ^{[Note 3]}	Partial ^{[Note 1]} ^{[Note 3]}	No	Partial ^{[Note 1]} ^{[Note 3]}	Partial ^{[Note 1]} ^{[Note 3]}	No	?	Yes	No	No	No	Partial	No	No	No	No
WookieChat	No	No	No	No	No	No	No	No	No	No	No	No	No	No	Yes	Yes	No
x3irc	Yes	Yes	?	No	?	?	No	?	No	No	No	No	No	No	No	No	No
XChat	Yes	Yes	Yes	?	Yes	Yes	No	?	Yes	No	No	No	?	?	No	No	No
XiRCON	?	?	Yes	No	Yes	Yes	No	?	No	No	No	No	No	No	No	No	No
Client	Windows 7, Vista	XP, 2000	NT 4.0	NT 3.x	Me, 98	95	3.1x	ReactOS	Mac OS X (Intel/PPC)	OS 9	OS 8	System 7 (PPC/68k)	BeOS, Haiku	OS/2, eCS	AmigaOS (68k)	AmigaOS 4, MorphOS (PPC)	DOS	Other

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y Requires Cygwin^[19]^[20]
^ Requires EMX^[19]
^ ^a ^b ^c ^d ^e ^f ^g ^h Requires Mac OS X v10.4 or later^[21]
^ ^a ^b In development^[22]^[23]
^ ^a ^b ^c ^d Requires Internet Explorer 5.0 or later for Windows 95, 98, 98SE, ME, NT4, and 2000^[24]
^ ^a ^b Requires comctl32.dll version 5.80 or later for Windows 98 and NT 4.0^[25]
^ Requires Service Pack 6 and Internet Explorer 4.0 or later for Windows NT 4.0^[25]
^ Requires RubyCocoa 1.0.0 or later^[21]

Unix and Unix-like operating systems:

Unix (BSD): 386BSD, BSD/OS, FreeBSD, NetBSD, OpenBSD, SunOS, ULTRIX
Unix (System V): AIX, A/UX, HP-UX, IRIX, SCO UNIX, Solaris, UnixWare
Unix-like: Linux, NeXTSTEP, OpenVMS, OSF/1, QNX, Tru64 UNIX

Client	386BSD	BSD/OS (BSD/386, BSDI)	FreeBSD, NetBSD, OpenBSD	SunOS	ULTRIX	AIX	A/UX	HP-UX	IRIX	SCO UNIX	Solaris	UnixWare	Linux	NeXTSTEP	OpenVMS	OSF/1	QNX	Tru64 UNIX
0irc	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Aki	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	?
AmIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Bersirc	?	?	?	?	?	?	?	?	?	?	?	?	Yes	?	No	?	?	?
BitchX	?	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	Yes ^{[Note 1]}	?	Yes ^{[Note 1]}	Yes ^{[Note 1]}	?	Yes ^{[Note 1]}	?	Yes ^{[Note 1]}	?	?	Yes ^{[Note 1]}	Yes ^{[Note 1]}	?
bnIRC	?	?	Yes	?	?	?	?	?	?	?	?	?	Yes	?	?	?	?	?
ccorp-irc	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ChatZilla	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	Yes	?	Yes	Yes
ClicksAndWhistles	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Colloquy	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Conspire	?	?	Yes	?	?	?	?	?	?	?	?	?	Yes	?	?	?	?	?
Coolsmile	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	?	?	Yes	Yes
DMDirc	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	?	?	Yes	Yes
dxirc	?	?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	?	?	Yes	?	Yes
EPIC	?	?	Yes	Yes	Yes	Yes	?	Yes	Yes	Yes	Yes	?	Yes	?	?	Yes	Yes	Yes
HydraIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
IceChat	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
ii	?	?	Yes	?	?	?	?	Yes	Yes	Yes	Yes	Yes	Yes	?	?	?	Yes	Yes
ircII	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	Yes	?	Yes	Yes	Yes
IRCjr	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Ircle	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Irssi	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	Yes	Yes
jini	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	?	?	Yes	Yes
Klient	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Konversation	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	Yes
KoolChat	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
KoroIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
KSirc	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	No	?	?	?
KVIrc	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	?
LeetIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
lightIRC	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	?	?	Yes	Yes
LimeChat	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Linkinus	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Mibbit	?	?	Yes	Yes	Yes	Yes	?	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	?	?	Yes
mIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
mzirc	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Neebly	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Nettalk	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
nexIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Opera	No	No	Yes	No	No	No	No	No	No	No	Yes	No	Yes	No	No	No	Dropped	No
Orion (IRC client)	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
OrnateIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
PhibianIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
PIRCH	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
PJIRC	?	?	Yes	Yes	?	Yes	?	Yes	Yes	?	Yes	?	Yes	?	?	?	Yes	Yes
Quassel IRC	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	?
rxIRC	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
savIRC	?	?	Yes	?	?	Yes	?	Yes	Yes	Yes	Yes	?	Yes	?	?	?	Yes	Yes
ScrollZ	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?	Yes	Yes	?	Yes	Yes	Yes
ShadowIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Smuxi	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	?
Snak	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
sushi IRC suite	?	?	Yes	?	?	?	?	?	?	?	Yes	?	Yes	?	?	?	?	?
ThrashIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
TurboIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Visual IRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Vortec IRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
WeeChat	?	?	Yes ^{[Note 2]}	?	?	?	?	Yes	Partial ^{[Note 3]}	?	Yes ^{[Note 2]}	?	Yes	?	?	?	Yes ^{[Note 2]}	?
WookieChat	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
x3irc	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
XChat	?	?	Yes	Yes	?	Yes	?	Yes ^{[Note 4]}	Yes	?	Yes	?	Yes	?	?	?	?	Yes
XiRCON	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
Client	386BSD	BSD/OS (BSD/386, BSDI)	FreeBSD, NetBSD, OpenBSD	SunOS	ULTRIX	AIX	A/UX	HP-UX	IRIX	SCO UNIX	Solaris	UnixWare	Linux	NeXTSTEP	OpenVMS	OSF/1	QNX	Tru64 UNIX

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k BitchX is known to work on BSDI 2.0, 2.1, 3.1, 4.0; FreeBSD 2.x, 3.x, 4.0; NetBSD 3.x, 4.x; SunOS 4.1.4; Ultrix; AIX; HP-UX 9.x, 10.x; IRIX 5.x, 6.x; Solaris 5.x and later; Linux; OSF/1 (DEC Alpha); QNX^[19]
^ ^a ^b ^c WeeChat tested on FreeBSD 4.11, 5.4, 6.0; NetBSD 2.0, 2.1; OpenBSD 3.6, 3.7, 3.8; Solaris 5.10; QNX 6.3^[23]
^ In development^[23]
^ XChat tested on HP-UX 10.20 and 11^[29]

mIRC will run on *NIX systems under WINE — Confirmed

Protocol support

What IRC related protocols and standards are supported by each client.

Client	CTCP	DCC	IPv6	SSL	TLS	OCSP	CRL
0irc	Yes	Yes	No	No	No	No	No
Aki	Yes	?	Yes	Yes	?	?	?
AmIRC	?	Yes	No	No	?	?	?
Bersirc	?	Partial	No	No	?	?	?
BitchX	Yes	Yes	Yes	Yes	?	?	?
bnIRC	Yes	Yes	Yes	No	?	?	?
ccorp-irc	Partial	No	No	No	?	?	?
ChatZilla	Yes	Yes	Yes	Yes	?	?	?
ClicksAndWhistles	Yes	Yes	No	Yes	Yes	?	?
Colloquy	Yes	Yes	Yes	Yes	?	?	?
Conspire	Yes	Yes	Yes	Yes	?	?	?
Coolsmile	?	No	Yes	Yes	?	?	?
DMDirc	Yes	Yes	Yes	Yes	?	?	?
dxirc	Yes	No	No	Yes	?	?	?
EPIC	Yes	Yes	Yes	Yes	?	?	?
HydraIRC	?	Yes	Partial ^{[Note 1]}	No	?	?	?
IceChat	Yes	Yes	Yes ^{[Note 2]}	Yes ^{[Note 2]}	No	No	No
ii	?	No	No	No	?	?	?
ircII	Yes	Yes	Yes	No	?	?	?
IRCjr	?	?	?	?	?	?	?
Ircle	Yes	Yes	?	Yes	?	?	?
Irssi	Yes	Yes	Yes	Yes	?	?	?
jini	Partial	?	No	No	?	?	?
Klient	Yes	Yes	No	Yes ^{[Note 3]}	?	?	?
Konversation	Yes	Yes	Yes	Yes	?	?	?
KoolChat	Yes	Yes	?	?	?	?	?
KoroIRC	?	Yes	Yes	No	?	?	?
KSirc	Yes	Yes	Yes	Yes	?	?	?
KVIrc	Yes	Yes	Yes	Yes	?	?	?
LeetIRC	?	?	?	?	?	?	?
lightIRC	Yes	No	?	No	No	No	No
LimeChat	?	Yes	Yes	No	?	?	?
Linkinus	Yes	Yes	No	Yes	?	?	?
Mibbit	?	Partial ^{[Note 4]} ^{[Note 5]}	No	Yes	?	?	?
mIRC	Yes	Yes	Partial ^{[Note 6]}	Partial ^[33] ^{[Note 6]}	?	?	?
mzirc	Yes	Yes	No	No	No	No	No
Neebly	Yes	Yes	No	No	?	?	?
Nettalk	Yes	Yes	No	No	?	?	?
nexIRC	?	Yes	No	No	?	?	?
Opera	Yes^[35]	Yes	Yes	Yes	?	?	?
Orion (IRC client)	Yes	Yes	Yes	No	No	No	No
OrnateIRC	?	Yes	No	Partial ^{[Note 7]}	?	?	?
PhibianIRC	Yes	Yes	No	Yes	?	?	?
PIRCH	Yes	Yes	No	No	?	?	?
PJIRC	?	Partial ^{[Note 5]}	?	Yes ^{[Note 3]}	?	?	?
Quassel IRC	?	No	Yes	Yes	?	?	?
rxIRC	Yes	No	No	No	No	No	No
savIRC	?	Yes	Yes	Yes	?	?	?
ScrollZ	?	Yes	Yes	Yes	?	?	?
ShadowIRC	?	?	?	?	?	?	?
Smuxi	Yes	No	No	No	?	?	?
Snak	?	Yes	Yes	Yes	?	?	?
sushi IRC suite	Yes	Partial	Yes	Yes	?	?	?
ThrashIRC	?	Yes	Yes	No	?	?	?
TurboIRC	?	Yes	Yes	Yes	?	?	?
Visual IRC	Yes	Yes	No	No	?	?	?
Vortec IRC	Yes	Yes	No	Yes ^{[Note 3]}	?	?	?
WeeChat	Yes	Yes	Yes	Yes	?	?	?
WookieChat	Yes	Yes	No	No	?	?	?
x3irc	Yes	Yes	No	Yes	No	No	No
XChat	Yes	Yes	Yes	Yes	?	?	?
XiRCON	?	Yes	No	No	?	?	?
Client	CTCP	DCC	IPv6	SSL	TLS	OCSP	CRL

^ Marked as completed, but not included yet
^ ^a ^b Supported via a external tunnel program
^ ^a ^b ^c Supported via a plugin
^ Can not send files, can only receive files up to 2MB
^ ^a ^b DCC is not always successful at this stage
^ ^a ^b Wrapper library available^[30] Cite error: The named reference "wrapper" was defined multiple times with different content (see the help page).
^ Partial OpenSSL support

Direct Client-to-Client (DCC) support

Client	CHAT	Whiteboard	SEND	RESUME	TSEND	SEND T	XMIT	Passive DCC	Server	RDCC	REVERSE	RSEND	Reverse / Firewall DCC	File servers (FSERVs)	XDCC
0irc	No	No	Yes	No	Yes	No	No	No	No	No	No	No	No	No	No
Aki	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
AmIRC	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Bersirc	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
BitchX	Yes	No	Yes	?	?	?	?	No	No	?	?	?	?	?	Yes
bnIRC	Yes	No	Yes	No	?	?	No	No	No	No	No	No	No	No	No
ccorp-irc	No	No	No	No	?	?	No	No	No	No	No	No	No	No	No
ChatZilla	Yes	No	Yes	No^[36]	?	?	No	No ^{[Note 1]}	No	No	No	No	No	No	?
ClicksAndWhistles	Yes	No	Yes	Yes	?	?	No	No	No	No	No	No	No	No	No
Colloquy	Yes	?	Yes	Yes	?	?	?	Yes	No	?	?	?	?	?	Yes
Conspire	Yes	?	Yes	Yes	?	?	?	Yes	Yes	?	Yes	?	?	?	Yes
Coolsmile	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
DMDirc	Yes	No	Yes	Yes	?	?	No	Yes	No	No	No	No	Yes	No	No
dxirc	?	?	?	?	?	?	?	No	No	?	?	?	?	?	No
EPIC	?	?	?	?	?	?	?	?	?	?	?	?	?	?	Yes
HydraIRC	Yes	?	?	?	?	?	?	?	?	?	?	?	?	?	?
IceChat	Yes	No	Yes	?	?	?	?	No	No	?	?	?	?	?	?
ii	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
ircII	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
IRCjr	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Ircle	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Irssi	Yes	?	Yes	Yes	?	?	?	Yes	Yes	?	?	?	?	?	?
jini	?	?	?	?	?	?	?	?	?	?	?	?	?	?	No
Klient	Yes	No	Yes	Yes	?	?	No	Yes	Yes	No	No	No	Yes	Yes	No
Konversation	Yes	?	Yes	Yes	?	?	?	Yes	No	?	?	?	Yes	?	?
KoolChat	Yes	?	Yes	?	?	?	?	?	?	?	?	?	?	?	?
KoroIRC	?	?	?	?	?	?	?	Yes	No	?	?	?	?	?	?
KSirc	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
KVIrc	?	?	?	?	?	?	?	Yes	No	?	?	Yes	Yes	?	?
LeetIRC	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
lightIRC	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
LimeChat	?	?	?	?	?	?	?	Yes	Yes	?	?	?	?	?	?
Linkinus	?	?	?	?	?	?	?	Yes	No	?	?	?	?	?	?
Mibbit	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
mIRC	Yes	?	Yes	Yes ^{[Note 2]}	?	?	?	Yes	Yes	Yes ^{[Note 3]}	?	?	Yes	Yes	Yes ^{[Note 3]}
mzirc	Yes	No	Yes	Yes	No	No	No	Yes	Yes	No	No	No	No	No	No
Neebly	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Nettalk	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
nexIRC	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Opera	No	?	?	?	?	?	?	Yes	No	?	?	?	?	?	?
Orion (IRC client)	Yes	No	Yes	Yes	No	No	No	No	No	No	No	No	No	No	No
OrnateIRC	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
PhibianIRC	Yes	No	Yes	Yes	?	?	No	Yes	Yes	No	No	No	Yes	Partial	Yes
PIRCH	Yes	No	Yes	Yes ^{[Note 2]}	?	?	No	No	No	No	No	No	No	No	No
PJIRC	Yes	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Quassel IRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
rxIRC	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
savIRC	?	?	?	?	?	?	?	Yes	No	?	?	?	?	?	?
ScrollZ	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
ShadowIRC	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Smuxi	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Snak	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
sushi IRC suite	No	No	Yes	Yes	No	No	No	No	No	No	No	No	No	No	No
ThrashIRC	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
TurboIRC	?	?	?	?	?	?	?	Yes	Yes	?	?	?	?	?	?
Visual IRC	?	Yes	?	Yes ^{[Note 2]}	?	?	?	Yes	No	?	?	?	Yes	?	?
Vortec IRC	Yes	Yes	Yes	Yes	Yes	?	?	Partial ^{[Note 4]}	Partial ^{[Note 4]}	?	?	?	?	Yes	?
WeeChat	Yes	?	Yes	?	?	?	?	Yes	No	?	?	?	?	?	Yes
WookieChat	Yes	No	Yes	Yes	?	?	No	No	No	No	No	No	No	No	No
x3irc	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
XChat	Yes	?	?	?	?	?	?	Yes	Yes	?	?	?	Yes	?	Yes ^{[Note 5]}
XiRCON	?	?	?	?	?	?	?	No	No	?	?	?	?	?	?
Client	CHAT	Whiteboard	SEND	RESUME	TSEND	SEND T	XMIT	Passive DCC	Server	RDCC	REVERSE	RSEND	Reverse / Firewall DCC	File servers (FSERVs)	XDCC

^ Planned for a later version
^ ^a ^b ^c Supports the DCC Resume protocol^[37]
^ ^a ^b Supported via a script^[38]
^ ^a ^b Marked as completed, but not included yet
^ Supported via scripts and plugins^[39]

Features

Information on what features each of the clients support.

Client	Multi-server	UTF-8	Proxy server	irc:// URI scheme	Automatic updates	Scripting language
0irc	Yes	Yes	No	No	No	—
Aki	Yes	Yes	?	?	?	—
AmIRC	No	No	?	?	?	ARexx
Bersirc	Yes	No	?	?	?	—
BitchX	Yes	No	?	?	?	Enhanced IrcII script
bnIRC	No	Yes ^{[Note 1]}	?	No	No	Python
ccorp-irc	No	No	?	No	No	—
ChatZilla	Yes	Yes	?	Yes	Yes	JavaScript
ClicksAndWhistles	Yes	Yes	?	Yes	Yes	—
Colloquy	Yes	Yes	?	Yes	Yes ^{[Note 2]}	AppleScript, Cocoa, F-Script, JavaScript, Python
Conspire	Yes	Yes	?	?	?	C
Coolsmile	No	Yes	?	?	?	—
DMDirc	Yes	Partial	?	Yes	Yes	Custom "Actions" system, Java plugins
dxirc	Yes	Yes	?	?	No	—
EPIC	Yes	No	?	?	?	Enhanced IrcII script, Perl, Ruby, Tcl
HydraIRC	Yes	No ^{[Note 3]}	?	?	?	C++
IceChat	Yes	No	?	Yes	No	VBScript (version 5), mIRC script clone (version 7)
ii	Yes	Yes	?	?	?	language agnostic (anything that can handle IO operations)
ircII	Yes	Yes ^{[Note 4]}	?	?	?	IrcII script
IRCjr	?	?	?	—	?	?
Ircle	Yes	No	?	?	?	AppleScript
Irssi	Yes	Yes	Yes	Yes	?	Perl
jini	No	No	?	No	No	—
Klient	Yes	No	?	?	?	VBScript, JScript, Perl, Python, Ruby, PHP {r\|group=Note\|active}}
Konversation	Yes	Yes	?	Yes	?	Shell script, Ruby, Python, Perl, Java, C++, C#, JavaScript ^{[Note 5]}
KoolChat	?	?	?	?	?	?
KoroIRC	Yes	Yes	?	?	?	— ^{[Note 3]}
KSirc	Yes	Yes	?	?	?	Perl
KVIrc	Yes	Yes	?	Yes	?	KVIrc script, Perl
LeetIRC	?	?	?	—	?	?
lightIRC	No	No	Yes	No	No	—
LimeChat	Yes	Yes	?	?	?	—
Linkinus	Yes	Yes	Yes	Yes	Yes	AppleScript, Cocoa API
Mibbit	Yes	Yes	?	Yes	—	—
mIRC	Yes	Yes	?	Yes	Yes	mIRC script
mzirc	Yes	Yes	SOCKS	No	No	Pascal Script
Neebly	No	No	?	?	?	—
Nettalk	Yes	Yes	?	?	?	VBScript, Custom
nexIRC	Yes	No	?	?	?	VBScript, Custom
Opera	Yes	Yes	?	Yes	Yes	—
Orion (IRC client)	Yes	No	No	No	No	Partial
OrnateIRC	Yes	No	?	?	?	Pascal Script, Own Language (OSL)
PhibianIRC	Yes	Yes	?	Yes	Yes	Pascal Script, PSI
PIRCH	Yes	No	?	?	No	Yes
PJIRC	Yes	Yes	?	?	?	JavaScript
Quassel IRC	Yes	Yes	?	Yes	?	—
rxIRC	No	No	No	No	No	REXX
savIRC	Yes	Yes	?	?	?	Tcl/Tk
ScrollZ	Yes	Yes	?	?	?	Enhanced IrcII script
ShadowIRC	?	?	?	?	?	?
Smuxi	Yes	Yes	?	?	?	—
Snak	Yes	Yes	?	?	?	AppleScript, IrcII script
sushi IRC suite	Yes	Yes	No	Partial ^{[Note 6]}	No	Python
ThrashIRC	Yes	No	?	?	?	—
TurboIRC	Yes	Yes	?	?	?	Own language, VBScript, JScript ^{[Note 7]}
Visual IRC	Yes	No	?	?	?	Versus
Vortec IRC	Yes	No	No	Yes	Yes	Pascal Script, Custom
WeeChat	Yes	Yes	?	?	?	C, Perl, Python, Ruby, Lua, Tcl
WookieChat	No	Yes	?	No	No	Yes
x3irc	Yes	Yes	Yes	No	Yes	Own language
XChat	Yes	Yes	Yes	Yes	?	Perl, Python, Tcl, Ruby, C++, ECMAScript, Scheme (Guile) ^{[Note 8]}
XiRCON	Yes	No	?	?	?	Tcl
Client	Multi-server	UTF-8	Proxy server	irc:// URI scheme	Automatic updates	Scripting language

^ When compiled with ncursesw (ncurses with wide-character support)
^ Automatically updates via the Sparkle framework
^ ^a ^b Planned for a later version
^ Supported as of version 20050921
^ Any language which supports DCOP may be used for Konversation scripting. Virtually any language can be made to support Konversation scripting by executing the command line "dcop" program.
^ Not complete, proof of concept
^ Uses the Windows Active Scripting technology and supports any scripting language with the appropriate interface
^ Supported via a plugin

References

^ "mIRC: Register mIRC". Retrieved 2009-07-14.
^ "Khaled's Nutshell: Frequently Asked Questions". Archived from the original on 2008-02-13. Retrieved 2009-07-14.
^ "ChatZilla :: Versions :: Add-ons for Firefox". Retrieved 2016-11-11.
^ Mc Cormack, Shane (January 25, 2013). "DMDirc 0.7". Retrieved 2013-05-08.
^ https://github.com/icechat/IceChat/releases/tag/9.54F. {{cite web}}: Missing or empty |title= (help)
^ mbbrutman. "mTCP TCP/IP applications for DOS PCs". Retrieved 2023-03-31.
^ "Irssi 1.4.4 Released". 31 March 2023. Retrieved 3 May 2023.
^ "Releases". Retrieved 12 June 2017.
^ "2024-01-14: KVIrc 5.2.0 "Quasar" Released". Retrieved 2024-02-29.
^ "Release Notes – Linkinus". Conceited Software. Retrieved 2011-03-02.
^ "mIRC: Latest News". mirc.com. Retrieved 2024-07-12.
^ "Nettalk - www.ntalk.de - IRC-Client". Retrieved 2013-03-23.
^ "Thanks for downloading Opera". Opera Norway. Retrieved 21 June 2023.
^ "Thanks for downloading Opera". Opera Norway. Retrieved 21 June 2023.
^ "Index of /ftp/pub/opera/desktop/100.0.4815.21/". Opera Norway. Retrieved 21 June 2023.
^ "Snak - IRC for Mac". Retrieved 2012-03-11.
^ https://sourceforge.net/projects/visualirc/files/ViRC/2.0pl2/
^ "Version 4.4.0". weechat.org. Retrieved 2024-08-17.
^ ^a ^b ^c See "INSTALL" included with BitchX "SourceForge: BitchX files". Retrieved 2009-09-18.
^ "WeeChat cygwin". Retrieved 2009-09-18.
^ ^a ^b "LimeChat". Retrieved 2009-09-18.
^ "Conspire IRC Client: CompileWin32". Retrieved 2009-09-18.
^ ^a ^b ^c "WeeChat: Supported OS". Retrieved 2009-09-18.
^ "Klient: System Requirements". Retrieved 2009-09-18.
^ ^a ^b "KoroIRC: Requirements". Retrieved 2009-09-18.
^ Requires Mac OS X v10.4.3 or later
^ Requires Windows XP Service Pack 2 or later
^ "ReactOS compatibility database: Opera". Retrieved 2010-01-05.
^ "X-Chat README". Retrieved 2009-09-18.
^ "mircv6: IPv6 support for mIRC". Retrieved 2009-07-14.
^ "Using SSL with mIRC". Retrieved 2009-07-14.
^ "mIRC SSL How-to". Retrieved 2009-07-14.
^ Requires the OpenSSL library^[31]^[32]
^ "mircv6: IPv6 support for mIRC". Retrieved 2009-07-14.
^ "Changelog for Opera 9.0 for Windows". Retrieved 2009-07-14.
^ "Mozilla ChatZilla: Bugzilla Bug 285630: chatzilla does not support resume for dcc downloads". 2009-02-20. Retrieved 2009-07-14.
^ "DCC Resume protocol". Retrieved 2009-07-14.
^ "SysReset mIRC FileServer". Retrieved 2009-07-14.
^ "XChat: Scripts + Plugins". Retrieved 2009-07-14.

[webbrowser-1] Can be installed as part of a web browser

[ubinary-2] Distributed as a Universal Binary

[browsercomp-5] Web browser component

[ncomp-6] Not complete, proof of concept

[cldaemon-7] Separate client and daemon

[dev-8] In development

[bitchxinstall-33] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y Requires Cygwin^[19]^[20]

[reqemx-34] Requires EMX^[19]

[reqosx-36] ^ ^a ^b ^c ^d ^e ^f ^g ^h Requires Mac OS X v10.4 or later^[21]

[indev-39] In development^[22]^[23]

[reqie5-41] Requires Internet Explorer 5.0 or later for Windows 95, 98, 98SE, ME, NT4, and 2000^[24]

[comctl32-43] Requires comctl32.dll version 5.80 or later for Windows 98 and NT 4.0^[25]

[nt4sp6-44] Requires Service Pack 6 and Internet Explorer 4.0 or later for Windows NT 4.0^[25]

[rubycocoa-45] Requires RubyCocoa 1.0.0 or later^[21]

[Unix_operating_system_support_BitchX_A-49] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k BitchX is known to work on BSDI 2.0, 2.1, 3.1, 4.0; FreeBSD 2.x, 3.x, 4.0; NetBSD 3.x, 4.x; SunOS 4.1.4; Ultrix; AIX; HP-UX 9.x, 10.x; IRIX 5.x, 6.x; Solaris 5.x and later; Linux; OSF/1 (DEC Alpha); QNX^[19]

[Unix_operating_system_support_WeeChat_A-50] WeeChat tested on FreeBSD 4.11, 5.4, 6.0; NetBSD 2.0, 2.1; OpenBSD 3.6, 3.7, 3.8; Solaris 5.10; QNX 6.3^[23]

[Unix_operating_system_support_WeeChat_B-51] In development^[23]

[Unix_operating_system_support_XChat_A-53] XChat tested on HP-UX 10.20 and 11^[29]

[Protocol_support_HydraIRC_A-54] Marked as completed, but not included yet

[tunnel-55] Supported via a external tunnel program

[plugin-56] Supported via a plugin

[Protocol_support_Mibbit_A-57] Can not send files, can only receive files up to 2MB

[nsuccess-58] DCC is not always successful at this stage

[wrapper-60] Wrapper library available^[30] Cite error: The named reference "wrapper" was defined multiple times with different content (see the help page).

[Protocol_support_OrnateIRC_A-66] Partial OpenSSL support

[planned-74] Planned for a later version

[dcc-76] Supports the DCC Resume protocol^[37]

[script-78] Supported via a script^[38]

[cominc-79] Marked as completed, but not included yet

[DCCXChatA-81] Supported via scripts and plugins^[39]

[Features_bnIRC_A-84] When compiled with ncursesw (ncurses with wide-character support)

[Features_Colloquy_(IRC_client)_A-85] Automatically updates via the Sparkle framework

[planned-86] Planned for a later version

[Features_ircII_A-87] Supported as of version 20050921

[Features_Konversation_A-88] Any language which supports DCOP may be used for Konversation scripting. Virtually any language can be made to support Konversation scripting by executing the command line "dcop" program.

[Features_sushi_IRC_suite_A-89] Not complete, proof of concept

[active-90] Uses the Windows Active Scripting technology and supports any scripting language with the appropriate interface

[Features_XChat_A-91] Supported via a plugin

[3] "mIRC: Register mIRC". Retrieved 2009-07-14.

[4] "Khaled's Nutshell: Frequently Asked Questions". Archived from the original on 2008-02-13. Retrieved 2009-07-14.

[15] "ChatZilla :: Versions :: Add-ons for Firefox". Retrieved 2016-11-11.

[16] Mc Cormack, Shane (January 25, 2013). "DMDirc 0.7". Retrieved 2013-05-08.

[wikidata-65e5099bfb7d53acdc78ddbcdb519ba76d88c905-v18-17] ttps://github.com/icechat/IceChat/releases/tag/9.54F. {{cite web}}: Missing or empty |title= (help)

[18] rutman. "mTCP TCP/IP applications for DOS PCs". Retrieved 2023-03-31.

[19] "Irssi 1.4.4 Released". 31 March 2023. Retrieved 3 May 2023.

[20] "Releases". Retrieved 12 June 2017.

[21] "2024-01-14: KVIrc 5.2.0 "Quasar" Released". Retrieved 2024-02-29.

[22] "Release Notes – Linkinus". Conceited Software. Retrieved 2011-03-02.

[23] "mIRC: Latest News". mirc.com. Retrieved 2024-07-12.

[24] "Nettalk - www.ntalk.de - IRC-Client". Retrieved 2013-03-23.

[25] "Thanks for downloading Opera". Opera Norway. Retrieved 21 June 2023.

[26] "Thanks for downloading Opera". Opera Norway. Retrieved 21 June 2023.

[27] "Index of /ftp/pub/opera/desktop/100.0.4815.21/". Opera Norway. Retrieved 21 June 2023.

[28] "Snak - IRC for Mac". Retrieved 2012-03-11.

[29] ttps://sourceforge.net/projects/visualirc/files/ViRC/2.0pl2/

[30] "Version 4.4.0". weechat.org. Retrieved 2024-08-17.

[bitchx_install-31] See "INSTALL" included with BitchX "SourceForge: BitchX files". Retrieved 2009-09-18.

[weechat_cygwin-32] "WeeChat cygwin". Retrieved 2009-09-18.

[limechat-35] "LimeChat". Retrieved 2009-09-18.

[conspire_compilewin32-37] "Conspire IRC Client: CompileWin32". Retrieved 2009-09-18.

[weechat_supported_os-38] "WeeChat: Supported OS". Retrieved 2009-09-18.

[klient_system_requirements-40] "Klient: System Requirements". Retrieved 2009-09-18.

[koroirc_requirements-42] "KoroIRC: Requirements". Retrieved 2009-09-18.

[Operating_system_support_Linkinus_A-46] Requires Mac OS X v10.4.3 or later

[Operating_system_support_Neebly_A-47] Requires Windows XP Service Pack 2 or later

[48] "ReactOS compatibility database: Opera". Retrieved 2010-01-05.

[xchat_readme-52] "X-Chat README". Retrieved 2009-09-18.

[59] "mircv6: IPv6 support for mIRC". Retrieved 2009-07-14.

[61] "Using SSL with mIRC". Retrieved 2009-07-14.

[62] "mIRC SSL How-to". Retrieved 2009-07-14.

[Protocol_support_mIRC_B-63] Requires the OpenSSL library^[31]^[32]

[64] "mircv6: IPv6 support for mIRC". Retrieved 2009-07-14.

[65] "Changelog for Opera 9.0 for Windows". Retrieved 2009-07-14.

[73] "Mozilla ChatZilla: Bugzilla Bug 285630: chatzilla does not support resume for dcc downloads". 2009-02-20. Retrieved 2009-07-14.

[75] "DCC Resume protocol". Retrieved 2009-07-14.

[77] "SysReset mIRC FileServer". Retrieved 2009-07-14.

[80] "XChat: Scripts + Plugins". Retrieved 2009-07-14.

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@@ Line 14: / Line 14: @@
 ! [[Programming language]]
 ! [[Computing platform]]
+|-
+! {{rh}} | [[AmIRC]]{{Anchor|AmIRC}}
+| Oliver Wagner, Jamie van den Berge
+| [[Commercial software|Commercial]]
+| [[Proprietary software|Proprietary]]
+| [[Graphical user interface|GUI]]
+| [[C (programming language)|C]]
+| [[m68k]], [[PowerPC]]
 |-
 ! {{rh}} | [[Bersirc]]{{Anchor|Bersirc}}
@@ Line 46: / Line 54: @@
 | [[Objective-C]]
 | [[PowerPC]], [[x86]]&nbsp;{{r|group=Note|ubinary}}, [[ARM architecture|ARM (Mobile)]]
+|-
+! {{rh}} | Conspire{{Anchor|Conspire}}
+|
+| [[Free software]]
+| [[GNU GPL]]
+| [[Text user interface|TUI]], [[Graphical user interface|GUI]]
+| [[C (programming language)|C]]
+| [[x86]]
 |-
 ! {{rh}} | [[ERC (software)|ERC]]{{Anchor|ERC}}
@@ Line 54: / Line 70: @@
 | [[Emacs Lisp]]
 |
+|-
+! {{rh}} | [[Enhanced Programmable ircII Client|EPIC]]{{Anchor|EPIC}}
+| EPIC Software Labs
+| [[Free software]]
+| [[BSD License]]
+| [[Text user interface|TUI]]
+| [[C (programming language)|C]]
+| [[x86]]
+|-
+! {{rh}} | HydraIRC{{Anchor|HydraIRC}}
+| Dominic Clifton
+| [[Freeware]]
+| [[Proprietary software|Proprietary]]
+| [[Graphical user interface|GUI]]
+| [[C++]]
+| [[x86]]
 |-
 ! {{rh}} | [[ircII]]{{Anchor|ircII}}
@@ Line 62: / Line 94: @@
 | [[C (programming language)|C]]
 | [[x86]]
+|-
+! {{rh}} | IRCjr{{Anchor|IRCjr}}
+| Michael Brutman
+| [[Freeware]]
+| [[Proprietary software|Proprietary]]
+| {{?}}
+| [[C++ (programming language)|C++]]
+|
 |-
 ! {{rh}} | [[Ircle]]{{Anchor|Ircle}}
@@ Line 94: / Line 134: @@
 | [[C++]]
 | [[x86]]
+|-
+! {{rh}} | LimeChat{{Anchor|LimeChat}}
+| Satoshi Nakagawa
+| [[Free software]]
+| [[GNU GPL]]
+| [[Graphical user interface|GUI]]
+| [[RubyCocoa]]
+| [[PowerPC]], [[x86]]&nbsp;{{refun|General_LimeChat_Ac}}
 |-
 ! {{rh}} | [[Mibbit]]{{Anchor|Mibbit}}
@@ Line 122: / Line 170: @@
 }}</ref>
 | [[x86]]
+|-
+! {{rh}} | Nettalk{{Anchor|Nettalk}}
+| Nicolas Kruse
+| [[Free software]]
+| [[Apache License|Apache License v2.0]]
+| [[Text user interface|TUI]], [[Graphical user interface|GUI]]
+| [[Visual Basic]]
+|
 |-
 ! {{rh}} | [[Opera (web browser)|Opera]]{{Anchor|Opera}}
@@ Line 138: / Line 194: @@
 | {{?}}
 | [[x86]]
+|-
+! {{rh}} | Quassel IRC{{Anchor|Quassel IRC}}
+|
+| [[Free software]]
+| [[GNU GPL]]
+| [[Graphical user interface|GUI]]&nbsp;{{refun|General_Quassel_IRC_Aa}}
+| [[C++]]
+|
 |-
 ! {{rh}} | [[ScrollZ]]{{Anchor|ScrollZ}}
@@ Line 162: / Line 226: @@
 | {{?}}
 | [[PowerPC]], [[x86]]&nbsp;{{r|group=Note|ubinary}}
+|-
+! {{rh}} | sushi IRC suite{{Anchor|sushi IRC suite}}
+| Michael Kuhn, Marian Tietz
+| [[Free software]]
+| [[BSD License]]
+| [[Text user interface|TUI]], [[Graphical user interface|GUI]]&nbsp;{{refun|General_sushi_Ac}}
+| [[C (programming language)|C]], [[Python (programming language)|Python]]
+| [[x86]]
 |-
 ! {{rh}} | [[Visual IRC]]{{Anchor|Visual IRC}}