Comparison of Internet Relay Chat services

The following tables compare general and technical information including the differences in feature sets between various IRC services packages. This article is neither all-inclusive nor necessarily up-to-date.

1 General information
2 Operating System support
3 Services Features
4 Miscellaneous Services
5 Services IRCd Support
6 See also
7 External links

General information

Services	Creator/Network	Basis	Programming Language	First public release date	Latest stable version (ctcp version/numeric 351)	Software license	Website
Anope	dengel, Rob (staff)	Epona	C	2003	Anope-1.8.6	GPL	[1]
Atheme	nenolod, jilles	Shrike, Sentinel, ircd-ratbox, charybdis	C	2005	6.0.7	BSD	[2]
Auspice	In Mean (staff)	Sirv 2.7	C++	2000	auspice 2.8.1	GPL	[3]
BorkNet Services	BorkNet	(from scratch)	Java	2005	BorkNet Services Rev. 34	GPL	[4]
Ecks	GamesNET (Kuja)	(from scratch)	Java	2006	Ecks 0.7	MPL	[5]
Epona	PegSoft	IRC Services 4.3.3	C	2000	Epona 1.5rc1	GPL	[6]
GNUWorld	Orlando Bassotto, Andrea Cocito	(from scratch)	C++	1997	?	GPL	[7]
HybServ	kreator	?	C	?	?	GPL	[8]
IRCServices	Andrew Church	(from scratch)	C	1997	ircservices-5.1.0	GPL	[9]
ModServ Services	commx	(from scratch)	C, PHP	2003	ModServ 2.1.10	GPL	[10]
OPAS	AustNet, Roger Yerramsetti	?	C	N/A	OPAS-v2.4	Closed Source	?
PTlink IRC Services	PTlink IRC Software	?	C	?	3.9.1	GPL	[11]
QuakeNet Services	QuakeNet development team	(from scratch)	C	?	?	Various	[12]
Ratbox Services	Lee Hardy	(from scratch)	C	2003	ratbox-services-1.1.1	BSD	[13]
Shrike	Eric Will	(from scratch)	C	2003	shrike-1.6	BSD	[14]
SirvNET	Trevor Klingbeil	?	?	?	?	?	[15]
Srvx	GameSurge	(from scratch)	C	?	1.3.1	GPL	[16]
SurrealServices	saturn, tabris/SurrealChat.net	Anope, ConferenceRoom/Auspice, NeoStats (features, not code)	Perl, SQL	2005	0.4.2	GPL	[17]
Theia	freenode (jilles, gxti, nenolod)	dancer-services, HybServ	C	N/A	? (now replaced by Atheme)	GPL	?
X2	AfterNET (Previously)	(from scratch)	C	?	5.2 (now replaced by X3)	GPL	[18]
X3	AfterNET	SRVX, X2	C	2006	X3 1.6+[2187 2008-07-20]	GPL	[19]

Extending Services (Supplements/Complements like StatServ for statistics and other kinds of extensions):

Services	Creator/Network	Basis	Programming Language	First public release date	Latest stable version (ctcp version/numeric 351)	Software license	Website
Denora	Trystan Scott Lee, Gabriel Acevedo H, Gabriel Craciunescu	Anope 1.7.6, Thales 1.0	C	?	denora-1.4.5	GPL	[20]
GNU Thales	Lucas Nussbaum, et al.	(from scratch)	C	2003	1.0	GPL	[21]
IRC Defender	ChatSpike, Brain	(from scratch)	Perl	2004	1.4b1	GPL	[22]
NeoStats	NeoStats Software	GeoStats	C	2002	NeoStats-3.0.2-beta4	GPL	[23]

Operating System support

Services	Windows	Mac OS X	Linux	BSD	Unix	MySQL			PostgreSQL			SQLite backend			LDAP backend	IPv6	SSL	Module Support	Modularised Core	Protocol Modules	Module Repository
Services	Windows	Mac OS X	Linux	BSD	Unix	Read	Write	Realtime	Read	Write	Realtime	Read	Write	Realtime	LDAP backend	IPv6	SSL	Module Support	Modularised Core	Protocol Modules	Module Repository
Anope	Yes	Yes	Yes	Yes	?	Yes	Yes	No	No	No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes
Atheme	No	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	Yes	Yes	No	Yes	Yes	Yes	Yes
Auspice	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
BorkNet Services	?	?	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	No	Yes	Yes	No	Yes
Ecks	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	?	No	No	Yes	Yes	Yes	No
Epona	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	Yes	No	No	No
GNUWorld	No	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes	Yes	No	No	No	No	No	?	Yes	No	No	No
HybServ	?	?	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	?	?	?	No	No	No	No
IRCServices	No	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	No	No	No	Yes	Yes	Yes	No
ModServ Services	No	Yes	Yes	Yes	Yes	Yes	Yes	0.9	2.0	2.0	2.0	No	No	No	No	Planned	No	Yes	>= 1.2	No	No
OPAS	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	No	?	?	?	?	?
PTlink IRC Services	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
QuakeNet Services	No	?	Yes	Yes	Yes	Yes	Yes	?	Yes	Yes	?	Yes	Yes	?	No	Yes	?	Yes	Yes	Yes	?
Ratbox Services	?	?	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?	?	?	Yes	Yes	No	No
Shrike	No	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
SirvNET	?	?	?	?	?	3.0.0	3.0.0	3.0.0	No	No	No	No	No	No	?	?	?	No	No	No	No
Srvx	Under Cygwin	?	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	?	Yes	?	Yes	Yes	Yes	No
SurrealServices	?	?	Yes	Yes	?	Yes	No	Yes	?	?	?	?	?	?	?	Planned	?	Yes	Yes	?	?
Theia	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
X2	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
X3	No	?	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	Yes	?	?	Yes	No	Yes	No

Extending Services (Supplements/Complements like StatServ for statistics and other kinds of extensions):

Services	Windows	Mac OS X	Linux	BSD	Unix	MySQL			PostgreSQL			SQLite backend			LDAP backend	IPv6	SSL	Module Support	Modularised Core	Protocol Modules	Module Repository
Services	Windows	Mac OS X	Linux	BSD	Unix	Read	Write	Realtime	Read	Write	Realtime	Read	Write	Realtime	LDAP backend	IPv6	SSL	Module Support	Modularised Core	Protocol Modules	Module Repository
Denora	Yes	?	?	?	Yes	?	?	?	?	?	?	?	?	?	?	No	No	Yes	?	?	?
GNU Thales	No	?	Yes	?	?	Yes	Yes	?	No	No	No	No	No	No	?	No	?	?	?	?	?
IRC Defender	Yes	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	No	No	?	Yes	Yes	Yes	No
NeoStats	Yes	?	Yes	Yes	?	?	?	?	?	?	?	?	?	?	?	No	No	Yes	?	?	?

Services Features

Services	Nickname/Username Services	Email Validation	Nick Grouping/Linking	Identify As	Email Lost Passwords
Anope	NickServ	Yes	Yes	No	Yes
Atheme	NickServ/UserServ	Yes	Yes	Yes	Yes
Auspice	NickServ	?	?	?	?
BorkNet Services	Q	Yes	N/A	N/A	No
Ecks	SrvAuth	Yes	No	Yes	No
Epona	NickServ	Yes	Yes	No	Yes
GNUWorld	NickServ/X	Yes	No	No	Yes
HybServ	NickServ	No	Yes	No	No
IRCServices	NickServ	Yes	Yes	No	Yes
ModServ Services	G	Yes	No	No	Yes
OPAS	NickOP	No	Yes	No	via ASD service
PTlink IRC Services	NickServ	?	?	?	?
QuakeNet Services	Q	Yes	N/A	N/A	Yes
Ratbox Services	NickServ/UserServ	Yes	Yes	Yes	Yes
Shrike	X	Yes	No	No	Yes
SirvNET	NickServ	Yes	No	Yes	Yes
Srvx	AuthServ	Yes	No	Yes	Yes
SurrealServices	NickServ	Yes	Yes	Yes	Yes
Theia	NickServ	No	Yes	?	?
X2	No	N/A	N/A	N/A	N/A
X3	NickServ/AuthServ	Yes	Yes	Yes	Yes

Services	Channel Services	xOP System	Levels System	Flags System	Successor	Suspend Members	Op/Voice other users	Ban List (AKICK)					Channel Passwords	Email Lost Passwords	Client in Channels	Fantasy Commands
Services	Channel Services	xOP System	Levels System	Flags System	Successor	Suspend Members	Op/Voice other users	Ban	Reason	Setter	Expiry	Enforce current users	Channel Passwords	Email Lost Passwords	Client in Channels	Fantasy Commands
Anope	ChanServ, BotServ	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
Atheme	ChanServ, BotServ	Yes	Module	Yes	Yes	Module	Yes	Yes	Yes	Yes	Yes	Yes	No	N/A	Yes	Yes
Auspice	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
BorkNet Services	Q	?	No	Yes	No	No	Yes	Yes	No	No	No	No	Yes	No	Yes	No
Ecks	SrvChan	Yes	Yes	No	No	No	Yes	No	No	No	No	No	No	N/A	Yes	Yes
Epona	ChanServ, BotServ	No	Yes	No	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
GNUWorld	X	No	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	No
HybServ	ChanServ	No	Yes	No	Yes	No	Yes	Yes	Yes	No	No	No	?	No	Yes	No
IRCServices	ChanServ	Yes	Yes	No	Yes	No	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No	No
ModServ Services	G	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
OPAS	ChanOP	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	N/A	Yes	`fun
PTlink IRC Services	ChanServ	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
QuakeNet Services	Q	?	No	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Optional	No
Ratbox Services	ChanServ, BotServ	No	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	No	N/A	Yes	?
Shrike	X	Yes	No	No	Yes	No	Yes	No	No	No	No	No	Yes	No	Yes	No
SirvNET	ChanServ	Yes	No	No	3.0.0	?	?	Yes	?	?	?	?	Yes	Yes	No	No
Srvx	ChanServ	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	N/A	Yes	Yes
SurrealServices	ChanServ, BotServ	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	No	N/A	Yes	Yes
Theia	ChanServ	?	Yes	No	?	?	?	?	?	?	?	?	?	?	?	?
X2	X2	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
X3	X3	Yes	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes

Services	Oper Services	DCC Access	Set any mode on any channel	Global noticer	Server Juping	Manage Oper Access via IRC/DCC	AKILL (netwide ban on user@host)	Session Limiting / Clone Detection	Services Ignore List
Anope	OperServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Atheme	OperServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Auspice	?	?	?	?	?	?	?	?	?
BorkNet Services	O	No	Yes	Yes	Yes	Yes	Yes	Yes	No
Ecks	SrvOper	No	Yes	Yes	No	Yes	Yes	Yes	No
Epona	OperServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
GNUWorld	EUWorld	No	Yes	Yes	Yes	No	Yes	Yes	Yes
HybServ	OperServ	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
IRCServices	OperServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
ModServ Services	O	No	Yes	Yes	Yes	Yes	Yes	Yes	No
OPAS	OperOP, Sprint, ASD	?	Yes	Yes	Yes	Yes	Yes	Yes	Yes
PTlink IRC Services	OperServ	?	?	?	?	?	?	?	?
QuakeNet Services	O, Newserv, U	No	Yes	Yes	Yes	Yes	Yes	Yes	No
Ratbox Services	OperServ, JupeServ, BanServ	Yes	Yes	Yes	Yes	No	Yes	No	Yes
Shrike	X	No	No	Yes	No	No	Yes	No	No
SirvNET	OperServ, RootServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Srvx	OperServ	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes
SurrealServices	OperServ, AdminServ	No	CS MODE	No	Yes	Yes	No	Yes	No
Theia	?	?	?	?	?	?	?	?	?
X2	?	?	?	?	?	?	?	?	?
X3	O3	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes

Miscellaneous Services

Services	Communication Services	Channel Memos	Read Receipt	Email Memos	Ignore List	vHost Services	Enable On Identify	Sync Group vHosts	Request System	Help Services	Statistical Services
Anope	MemoServ	Yes	Yes	Yes	No	HostServ	Yes	Yes	Yes	No	Planned
Atheme	MemoServ	Yes	Yes	Yes	Yes	NickServ or HostServ	Yes	Yes	Yes	Yes	No
Auspice	?	?	?	?	?	?	?	?	?	?	?
BorkNet Services	Planned M	Planned	Planned	Planned	Planned	V	Yes	N/A	Planned	H	X
Ecks	No	N/A	N/A	N/A	N/A	No	N/A	N/A	N/A	SrvHelp	No
Epona	MemoServ	Yes	No	Yes	No	NickServ	Yes	N/A	No	HelpServ	No
GNUWorld	X	No	No	No	No	No	N/A	N/A	N/A	No	Stats
HybServ	MemoServ	Yes	No	No	No	No	N/A	N/A	N/A	HelpServ	StatServ
IRCServices	MemoServ	Yes	No	Yes	Yes	No	N/A	N/A	N/A	HelpServ	StatServ
ModServ Services	N	Yes	Yes	No	Planned	Yes	Yes	Yes	Yes	Yes	Yes
OPAS	NoteOP	Yes	No	No	Yes	No	N/A	N/A	N/A	HelpOP	CountOP
PTlink IRC Services	MemoServ	?	?	?	?	No	?	?	?	No	No
QuakeNet Services	No	N/A	N/A	N/A	N/A	No	N/A	N/A	N/A	G	No
Ratbox Services	No	N/A	N/A	N/A	N/A	No	N/A	N/A	N/A	No	No
SirvNET	MemoServ	Yes	3.0.0	Yes	No	No	N/A	N/A	N/A	HelpServ	StatServ (3.0.0)
Shrike	No	No	No	No	No	No	N/A	N/A	N/A	No	No
Srvx	MemoServ	No	No	No	No	No	N/A	N/A	N/A	HelpServ	No
SurrealServices	MemoServ	Yes	?	?	Yes	Yes	Yes	N/A	No	No	No
Theia	?	?	?	?	?	?	?	?	?	?	?
X2	No	N/A	N/A	N/A	N/A	No	N/A	N/A	N/A	No	No
X3	MemoServ	Yes (Notes)	Yes	No	Yes	AuthServ	Yes	N/A	No	HelpServ	No

Services IRCd Support

	Anope	Atheme	Auspice	BorkNet Services	Ecks	Epona	GNUWorld	HybServ	IRCServices	ModServ Services	IRSee Opas	OPAS	QuakeNet Services	Ratbox Services	Sirv	SRVX	SurrealServices	Theia	X2	X3	Floodworld	Denora	IRC Defender	NeoStats	GNU Thales
Asuka	No	Yes	No	Yes	No	No	Yes	?	No	Partly	No	No	Yes	?	?	Yes	?	No	?	?	?	Yes	Yes, P10	Yes	No
Austhex	No	No	No	No	No	No	No	?	No	No	Yes	Yes	No	?	?	?	?	No	?	?	?	?	No	?	?
Bahamut 1.4	Yes	No	Yes	No	Yes	Yes	No	No	No	No	Yes	No	No	No	Yes	Yes	?	No	?	?	Yes	Yes	Yes	Yes	Yes
Bahamut 1.8	Yes	Yes	No	No	Yes	Yes	No	No	Yes	No	Yes	No	No	No	Yes	Yes	?	No	?	?	Yes	Yes	Yes	Yes	Yes
beware ircd	No	Yes	No	?	No	No	No	?	No	Partly	No	No	No	?	?	Yes	?	No	?	?	?	Yes	No	No	No
Charybdis	Yes	Yes	No	No	No	No	No	?	No	No	No	No	No	Yes	?	?	?	No	?	?	?	Yes	No	No	No
ConferenceRoom	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	?	No	No	No	No
Dancer	No	Yes	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	Yes	Yes	No	No
DreamForge	Yes	Yes	Yes	No	No	Yes	No	?	Yes	No	Yes	No	No	?	?	?	?	No	?	?	?	Yes	Yes	No	Yes
Microsoft Exchange 5.5 / 2000	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	No	?	?
Farpoint	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	?	?	?
Hyperion	No	Yes	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	Yes	?	?	?	Yes	No	No	No
IgnitionServer	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	No	?	?
InspIRCd	Yes	Yes	No	No	Yes	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	?	Yes	Yes	Yes	No
IRCD	No	Yes	No	No	No	No	No	?	ircd-2.8	No	No	No	No	No	?	?	?	?	No	?	?	?	?	ircd-2.10	?	?
Hybrid	Yes	Yes	No	No	No	No	No	Yes	Yes	No	No	No	No	Yes	No	No	?	No	?	?	?	Yes	Yes	Yes	Yes
ircu	No	Yes	No	?	No	No	Yes	?	ircu 2.9	Partly	No	No	No	?	?	Yes	?	No	?	?	?	Yes	Yes, P10	Yes	Yes
IRCXpro Server	No	Yes	No	No	No	No	No	?	No	?	No	No	No	?	?	?	?	No	?	?	?	No	No	?	?
Ithildin	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	No	?	?
MooIRCd	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	No	?	?
Nefarious IRCu	3rd party	Yes	No	?	No	No	Yes	No	No	Partly	No	No	No	No	No	Yes	?	No	Yes	Yes	?	Yes	Yes	Yes	3rd party
pircd	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	No	?	?	?
PleXusIRCd	Yes	Yes	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	Yes	No	Yes	No
PTlink	Yes	Yes	No	No	No	No	No	?	Yes	No	No	No	?	?	?	?	?	?	?	?	?	?	?	?	?
QuakeIRCd	No	No	No	No	No	No	No	?	No	No	No	No	No	?	?	?	?	No	?	?	?	Yes	No	No	No
RageIRCd	Yes	No	Yes	No	No	No	No	?	No	No	No	No	?	?	?	?	?	?	?	?	?	?	?	?	?
Ratbox	Yes	Yes	No	No	No	No	No	Yes	Yes	No	Yes	No	No	Yes	No	No	?	No	?	?	?	Yes	No	No	No
ShadowIRCd	Yes	Yes	No	No	No	No	No	?	No	No	No	No	?	?	?	?	?	?	?	?	?	?	?	?	?
Snircd	?	?	?	Yes	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
SolidIRCd	Yes	Yes	No	No	No	No	No	?	Yes	No	Yes	No	?	?	?	?	?	?	?	?	?	?	?	?	?
TR-IRCD	No	No	No	No	No	No	No	?	Yes	No	No	No	No	?	?	?	?	No	?	?	?	No	Yes	?	?
UltimateIRCd 2.8	Yes	No	Yes	No	No	Yes	No	?	Yes	No	No	No	No	?	?	?	?	No	?	?	?	Yes	Yes	Yes	Yes
UltimateIRCd 3.0	Yes	Yes	Yes	No	No	No	No	?	Yes	No	No	No	No	?	?	?	?	No	?	?	?	Yes	Yes	Yes	Yes
UnrealIRCd 3.1	Yes	Yes	Yes	No	Yes	Yes	No	No	Yes	No	No	No	No	?	?	No	No	No	No	No	?	Yes	Yes	Yes	Yes
UnrealIRCd 3.2	Yes	Yes	Yes	No	Yes	Yes	No	No	Yes	No	No	No	No	?	?	No	Yes	No	No	No	Yes	Yes	Yes	Yes	Yes

External links

IRC services packages compared to Anope

Internet Relay Chat (IRC)

General topics

Common terms	BNC Bot Channel DoS attack Channel Operator Client Flood Hostmask IRC Netsplit Network Operator Script Server Services Takeover vhost

Lists and comparisons	List of IRC commands Comparison of IRC bots Comparison of IRC clients Comparison of mobile IRC clients Comparison of IRC daemons Comparison of IRC services

Related protocols	IRC IRCX MSN Chat P10 CTCP DCC XDCC Ident

See also	IRC subculture Jarkko Oikarinen

Clients (comparison)

Mac OS X	Colloquy Fire Homer(Mac OS) Ircle Linkinus MacIrssi Snak

Microsoft Windows	Bersirc KoolChat mIRC Microsoft Comic Chat Neebly NexIRC Orion PIRCH Shareaza Visual IRC

MS-DOS	LeetIRC

Unix-like	ircII

Cross-platform	BitchX Irssi Konversation KVIrc naim Smuxi WeeChat XChat Quassel IRC

Cross-platform (Java)	jIRC PJIRC

Multi-IM	Centericq Empathy Kopete Miranda IM Pidgin Trillian

Multi-IM (Java)	Qnext

Web-based	CGI:IRC PJIRC Mibbit

Web browser components	ChatZilla Mozilla Application Suite Opera

Library and plug-ins	ERC rcirc

Bots (comparison)

Eggdrop Infobot

Bouncers, Gateways and Proxies

BitlBee

Daemons

IRCd ircu UnrealIRCd

Networks

DALnet EFnet freenode GameSurge IRC@2ch IRCnet OFTC QuakeNet Rizon RusNet SlashNET Undernet