From HandWiki - Reading time: 21 min
The following tables compare general and technical information between a number of notable IRC client programs which have been discussed in independent, reliable prior published sources.
Basic general information about the notableclients: creator/company, license, etc. Clients listed on a light purple background are no longer in active development.
A brief overview of the release history.
| First public release | First stable release | Latest stable release | |||
|---|---|---|---|---|---|
| Client | Date | Version | Date | Version | |
| AmIRC | 1995 | ||||
| Bersirc | 1999 | 2.2.14 (12 August 2005) [±] | |||
| BitchX | 1996 | 1.2.1 (November 14, 2014) [±] | |||
| ChatZilla | 2001 | 0.9.93 (November 8, 2016[20]) [±] | |||
| Colloquy | 2005 | 2.4.3 (6011) (March 22, 2014) [±] | |||
| degesch | 2015 | 0.9 | 2015 | 0.9 | |
| DMDirc | 2007 | 0.7 (January 5, 2013[21]) [±] | |||
| ERC | 1999? | ERC improvements are now released as part of Emacs. [±] | |||
| F-IRC | 2006? | 0.1 | 1.36 (February 23, 2014) | ||
| HexChat | 2009-10-04 | r249 | 2009-10-09 | 2.86.0 | |
| HydraIRC | 2002 | 0.3.165 (December 12, 2008) [±] | |||
| IceChat | 2002 | 3.0 | 2002-04-08 | 3.0 | |
| ircII | 1989 | 2.0.0 | 1989 | 2.0.0 | 20210314 (March 14, 2021) [±] |
| IRCjr | 2008 | 2008 | mTCP_2023-03-31 (March 31, 2023[22]) [±] | ||
| Ircle | 1995 | 3.5a6 (November 17, 2007) [±] | |||
| Irssi | 1999 | 1.4.4 (March 31, 2023) [±][23] | |||
| jIRCii | ? | ? | ? | ||
| kirc | 2020 | 0.0.1 | |||
| KVIrc | 1998 | 0.6.0 | 1999-12-21 | 1.0.0 | 5.0.0 (January 1, 2019[24]) [±] |
| Konversation | 2002 | Error: first parameter is missing. | |||
| LeafChat | ? | 1.0 | 2.5 (July 29, 2012) [±] | ||
| LimeChat | 2007 | Mavericks / Mountain Lion 2.43 (January 26, 2018[25]) [±] Lion | |||
| Linkinus | 2007 | 2.4.3 (August 23, 2011[26]) [±] | |||
| Mibbit | 2008 | web application, no version | |||
| mIRC | 1995 | 7.76 (7 January 2024[27]) [±] | |||
| Nettalk | 2004 | 6.7.16 (October 30, 2012[28]) [±] | |||
| PIRCH | 1995 | 1.0.1.1190 (January 1, 2001) [±] | |||
| PJIRC | 2002 | 2.2.1 (November 29, 2004) [±] | |||
| Quassel | 2008-08-27 | 0.3.0 | 0.14.0 (January 1, 2022) [±] | ||
| qwebirc | 2009 | 0.81 | 0.92 (February 13, 2012) [±] | ||
| rIRC | 2010 | Preview Release 1 | 2012 | 1.44 | 1.4.4 (January 16, 2012) |
| Scrollback | 2013 | 2013 | |||
| rcirc | ? | ? | rcirc improvements are now released as part of Emacs. [±] | ||
| Smuxi | 2008-07-29 | 0.6 | 2010-09-03 | 0.8 | 1.2.1 (April 23, 2023) [±] |
| Snak | 1997 | 5.3.4 (March 11, 2012[29]) [±] | |||
| Visual IRC | 1995 | 2.0pl2 (December 30, 2007) [±][30] | |||
| WeeChat | 2003 | 4.2.1 (January 22, 2024[31]) [±] | |||
| Client | Date | Version | Date | Version | Latest stable release |
| First public release | First stable release | ||||
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 | macOS (Intel/PPC) | OS 9 | OS 8 | System 7 (PPC/68k) | BeOS, Haiku | OS/2, eCS, ArcaOS | AmigaOS (68k) | AmigaOS 4, MorphOS (PPC) | DOS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AmIRC | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | Yes | 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 | Yes | Yes | No |
| ChatZilla | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | No |
| Colloquy | No | No | No | No | No | No | No | No | Yes | No | No | No | No | No | No | No | No |
| degesch | No | No | No | No | No | No | No | No | ? | No | No | No | No | No | No | No | No |
| ERC | Yes | Yes[34] | Yes | Yes | Yes | Yes | Yes | ? | Yes | No | No | No | Yes[35] | Yes[36] | ? | ? | Yes[37] |
| HexChat | Yes | Dropped (2.9.5) | No | No | No | No | No | No | No | No | No | No | ? | No | No | No | No |
| HydraIRC | Yes | Yes | No | No | Yes | No | No | No | No | No | No | No | No | No | No | No | No |
| IceChat | Yes | Dropped (9.50) | No | No | Yes | Yes | No | No | No | No | No | No | No | No | No | No | No |
| IRCCloud | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 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 | Yes[Note 2] | Yes[Note 2] | 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 |
| jIRCii | Yes | Yes | Yes | ? | Yes | Yes | No | ? | Yes | Yes | Yes | ? | Yes | Yes | ? | Yes | No |
| KiwiIRC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Konversation | Partial | Partial | Partial | No | Partial | Partial | No | ? | Partial | No | No | No | No | No | No | No | No |
| KVIrc | Yes | Yes | Yes | No | Yes | No | No | Yes[39] | Yes | Yes | No | No | No | Yes[40] | No | No | No |
| LeafChat | Yes | Yes | No | No | No | No | No | No | Yes | No | No | No | No | No | No | No | No |
| LimeChat | No | No | No | No | No | No | No | No | Yes[Note 4] | No | No | No | No | No | No | No | No |
| Linkinus | No | No | No | No | No | No | No | No | Yes[Note 3] | 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 |
| Nettalk | Yes | Yes | ? | No | Partial[Note 5] | No | 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 | No | Yes | Yes | No | No | Yes | Yes | No | No | No | No |
| Quassel | Yes | Yes | No | No | No | No | No | No | Yes | No | No | No | No | Yes | No | No | No |
| qwebirc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| rIRC | Yes | Yes | Yes | ? | ? | ? | ? | ? | No | No | No | No | No | No | No | No | No |
| rcirc | Yes | Yes | ? | ? | No | No | No | No | Yes | No | No | No | No | No | No | No | No |
| Scrollback | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Smuxi | Yes | Yes | No | No | No | No | 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 |
| Visual IRC | Yes | Yes | Yes | No | Yes | Yes | No | ? | No | No | No | No | No | No | No | No | No |
| WeeChat | Partial[Note 1] | Partial[Note 1] | Partial[Note 1] | No | Partial[Note 1] | Partial[Note 1] | No | ? | Yes | No | No | No | Partial | No | No | No | No |
| Client | Windows 7, Vista | XP, 2000 | NT 4.0 | NT 3.x | Me, 98 | 95 | 3.1x | ReactOS | OS X (Intel/PPC) | OS 9 | OS 8 | System 7 (PPC/68k) | BeOS, Haiku | OS/2, eCS | AmigaOS (68k) | AmigaOS 4, MorphOS (PPC) | DOS |
Unix and Unix-like operating systems:
| Client | 386BSD | BSD/OS (BSD/386, BSDI) | FreeBSD, NetBSD, OpenBSD | SunOS | ULTRIX | AIX | A/UX | HP-UX | IRIX | SCO OpenServer | Solaris | UnixWare | Linux | NeXTSTEP | OpenVMS | OSF/1 | QNX | Tru64 UNIX |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Yes[Note 1] | Yes | ? | Yes[Note 1] | Yes[Note 1] | ? |
| ChatZilla | No | No | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes |
| Colloquy | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| degesch | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? |
| DMDIrc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| ERC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| HexChat | ? | ? | 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 |
| IRCCloud | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 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 | No | Yes | Yes | Yes |
| KiwiIRC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Konversation | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? | Yes | ? | Yes | ? | ? | ? | ? | Yes |
| KVIrc | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? | Yes | ? | Yes | ? | ? | ? | ? | ? |
| LeafChat | No | No | No | No | No | No | No | No | No | No | No | No | Yes | No | No | No | No | No |
| 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 |
| Nettalk | 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 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Quassel | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? | Yes | ? | Yes | ? | ? | ? | ? | ? |
| qwebirc | ? | ? | Yes | Yes | Yes | Yes | ? | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | ? | ? | Yes |
| rcirc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Smuxi | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? | Yes | ? | Yes | ? | ? | ? | ? | ? |
| Snak | 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 |
| WeeChat | ? | ? | Yes[Note 2] | ? | ? | ? | ? | Yes | Partial[Note 3] | ? | Yes[Note 2] | ? | Yes | ? | ? | ? | Yes[Note 2] | ? |
| Client | 386BSD | BSD/OS (BSD/386, BSDI) | FreeBSD, NetBSD, OpenBSD | SunOS | ULTRIX | AIX | A/UX | HP-UX | IRIX | SCO OpenServer | Solaris | UnixWare | Linux | NeXTSTEP | OpenVMS | OSF/1 | QNX | Tru64 UNIX |
What IRC related protocols and standards are supported by each client.
| Client | IPv6 | SSL | TLS | DANE | OCSP | CRL | SASL | OTR |
|---|---|---|---|---|---|---|---|---|
| Bersirc | No | No | ? | ? | ? | ? | ? | No |
| BitchX | Yes | Yes | Yes | ? | ? | ? | ? | No |
| ChatZilla | Yes | Yes | Yes | ? | Yes | Yes | script | No |
| Colloquy | Yes | Yes | ? | ? | ? | ? | Yes | No[43] |
| degesch | Yes | No | Yes | ? | ? | ? | ? | No |
| DMDirc | Yes | Yes | ? | ? | ? | ? | ? | No |
| ERC | Yes | Yes | Yes | ? | ? | ? | Yes[Note 1] | No |
| HexChat | Yes | Yes | Yes | No | No | No | Yes | Yes[Note 2] |
| HydraIRC | ? | No | No | ? | No | No | ? | No |
| IceChat | Yes | Yes | Yes | ? | ? | ? | Yes | No |
| IRCCloud | Yes | Yes | Yes | No | No | No | Yes | No |
| ircII | Yes | Yes | Yes | ? | ? | ? | ? | No |
| IRCjr | No | No | No | ? | No | No | No | No |
| Ircle | ? | Yes | ? | ? | ? | ? | ? | No |
| Irssi | Yes | Yes | Yes | Yes | No | ? | Yes | Yes[44] |
| jIRCii | Yes | Yes | ? | ? | ? | ? | ? | No |
| KiwiIRC | Yes | Yes | Yes | ? | No | No | Yes | No |
| Konversation | Yes | Yes | Yes | ? | ? | ? | Yes | No |
| KVIrc | Yes | Yes | Yes | ? | No | No | Yes | No |
| LimeChat | Yes | Yes | ? | ? | ? | ? | Yes | No |
| Linkinus | No | Yes | ? | ? | ? | ? | No | No |
| Mibbit | No | Yes | ? | ? | ? | ? | Yes | No |
| mIRC | Yes | Yes | Yes | ? | ? | ? | Yes | No |
| Nettalk | No | No | ? | ? | ? | ? | ? | No |
| PIRCH | No | No | ? | ? | ? | ? | ? | No |
| PJIRC | No | No | ? | ? | ? | ? | ? | No |
| Quassel | Yes | Yes | Yes | ? | No | No | Yes | No[45] |
| qwebirc | No | Yes | No | ? | No | No | No | No |
| rcirc | No | Yes | Yes | ? | ? | ? | ? | No |
| Scrollback | Yes | Yes | ? | ? | ? | ? | No | No |
| Smuxi | Yes | Yes | ? | ? | ? | ? | No | No[46] |
| Snak | Yes | Yes | ? | ? | ? | ? | ? | No |
| Visual IRC | No | No | ? | ? | ? | ? | ? | No |
| WeeChat | Yes | Yes | Yes | ? | ? | ? | Yes | Yes[47][48][Note 2] |
| Client | IPv6 | SSL | TLS | DANE | OCSP | CRL | SASL | OTR |
The Direct Client-to-Client Protocol (DCC) has been the primary method of establishing connections directly between IRC clients for a long time now. Once established, DCC connections bypass the IRC network and servers, allowing for all sorts of data to be transferred between clients including files and direct chat sessions.
| Client | CHAT | SEND | RESUME | TSEND | SEND T | XMIT | Passive DCC | Server | RDCC | REVERSE | RSEND | Reverse / Firewall DCC | File servers (FSERVs) | XDCC | VOICE | Whiteboard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bersirc | ? | ? | ? | ? | ? | ? | No | No | ? | ? | ? | ? | ? | ? | ? | ? |
| BitchX | Yes | Yes | Yes | Yes | Yes | ? | No | No | ? | ? | ? | ? | ? | Yes | ? | No |
| ChatZilla | Yes | Yes | No[49] | ? | ? | No | No[Note 1] | No | No | No | No | No | No | ? | ? | No |
| Colloquy | Yes | Yes | Yes | ? | ? | ? | Yes | No | ? | ? | ? | ? | ? | Yes | ? | ? |
| degesch | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| DMDirc | Yes | Yes | Yes | ? | ? | No | Yes | No | No | No | No | Yes | No | No | ? | No |
| ERC | Yes | Yes | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| HexChat | Yes | Yes | Yes | ? | ? | ? | Yes | ? | ? | ? | ? | ? | ? | Yes | ? | No |
| HydraIRC | Yes | Yes | Yes | ? | ? | No | ? | ? | ? | ? | ? | ? | No | No | ? | No |
| IceChat | Yes | Yes | ? | ? | ? | No | ? | ? | ? | ? | ? | ? | No | No | ? | No |
| IRCCloud | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| ircII | Yes | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| IRCjr | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No |
| Ircle | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Irssi | Yes | Yes | Yes | ? | ? | ? | Yes | Yes | ? | ? | ? | ? | ? | ? | ? | No |
| KiwiIRC | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No |
| Konversation | Yes | Yes | Yes | ? | ? | ? | Yes | No | ? | ? | ? | Yes | ? | Yes | ? | Yes |
| KVIrc | Yes | Yes | Yes | Yes | No | No | Yes | No | No | Yes | Yes | Yes | Yes[Note 2] | Yes[Note 2] | Yes[Note 3] | No |
| LimeChat | ? | ? | ? | ? | ? | ? | Yes | Yes | ? | ? | ? | ? | ? | ? | ? | ? |
| Linkinus | ? | ? | ? | ? | ? | ? | Yes | No | ? | ? | ? | ? | ? | ? | ? | ? |
| Mibbit | No | ? | ? | ? | ? | ? | No | No | ? | ? | ? | ? | ? | ? | ? | ? |
| mIRC | Yes | Yes | Yes[Note 4] | ? | ? | ? | Yes | Yes | Yes[Note 5] | ? | ? | Yes | Yes | Yes[Note 5] | ? | ? |
| Nettalk | Yes | Yes | Yes | No | No | No | No | Partial | No | No | No | No | ? | ? | ? | No |
| PIRCH | Yes | Yes | Yes[Note 4] | ? | ? | No | No | No | No | No | No | No | No | No | ? | No |
| PJIRC | Yes | Yes | Yes | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | No |
| Quassel | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No |
| qwebirc | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No |
| rcirc | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No |
| Smuxi | ? | ? | ? | ? | ? | ? | No | No | ? | ? | ? | ? | ? | ? | ? | ? |
| Snak | Yes | Yes | Yes | ? | Yes | ? | No | No | ? | ? | ? | ? | ? | ? | ? | ? |
| Visual IRC | ? | ? | Yes[Note 4] | ? | ? | ? | Yes | No | ? | ? | ? | Yes | ? | ? | Yes[Note 3] | Yes |
| WeeChat | Yes | Yes | ? | ? | ? | ? | No | No | ? | ? | ? | ? | ? | Yes | ? | ? |
| Client | CHAT | SEND | RESUME | TSEND | SEND T | XMIT | Passive DCC | Server | RDCC | REVERSE | RSEND | Reverse / Firewall DCC | File servers (FSERVs) | XDCC | VOICE | Whiteboard |
This software is compliant natively; other software may be compliant with extensions.[1][2]
| Clients | CAP | CAP 302 | Cap-notify | Account-notify | account-tag | Away-notify | batch | Bot Mode | chghost | echo-message | extended-join | Invite-notify | labeled-response | message-tags | Monitor | msgid | multi-prefix | SASL v3.1 | SASL v3.2 | server-time | setname | sts | userhost-in-names | UTF8ONLY | WHOX | +typing | draft/chathistory | WebIRC | draft/account-registration | draft/extended-monitor | draft/multiline | +draft/react | +draft/reply |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adium | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Ambassador | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes | No | No | No | No | ? | ? | ? | ? | ? | ? |
| AndroIRC | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Bersirc | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| BitchX | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | No | No | No | No | No | No | No | No | No | ? | ? | ? | ? | ? | ? |
| ChatSharp | Yes | Yes | Yes | Yes | No | No | No | No | Yes | No | No | No | No | No | No | No | Yes | Yes | No | Yes | No | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| ChatZilla | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Colloquy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | No | Yes | No | No | Yes | No | Yes | No | No | ? | ? | No | No | No | No |
| Communi | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| CoreIRC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | ? | No | ? | ? | ? | ? | No | No | No | No |
| ERC | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| F-IRC | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Glirc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | Yes | No | No | No | No | No | Yes | Yes | Yes | Yes | No | Yes | Yes | No | No | No | No | ? | ? | ? | ? | ? | ? |
| Goguma | Yes | Yes | Yes | No | No | Yes | Yes | Yes | No | Yes | No | No | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | No | No | ? | Yes | ? | ? | ? | ? | Yes | No | No | No |
| GrumpyChat | |||||||||||||||||||||||||||||||||
| HexChat | Yes | Yes | Yes | Yes | 2.16 | Yes | No | No | Yes | No | Yes | 2.16 | No | No | Yes | No | Yes | Yes | Yes | Yes | 2.16 | No | Yes | 2.16 | Yes | No | No | ? | ? | ? | ? | ? | ? |
| IRC for Android | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | Yes | No | No | No | No | No | ? | No | ? | ? | ? | ? | No | No | No | No |
| IRCCloud | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | Yes | ? | No | No | Yes | Yes | Yes | Yes |
| IRCjr | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| IceChat | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | No | Yes | No | No | No | No | No | No | No | ? | ? | ? | ? | ? | ? |
| Igloo | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Instantbird | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Ircle | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Irssi | Yes | Git | Git | Git | No | Git | No | No | Git | No | Git | Git | No | Git | No | No | Yes | Yes | No | No | Git | No | No | No | Yes | No | No | ? | ? | ? | ? | ? | ? |
| KVIrc | Yes | No | No | Git | No | Git | No | No | Git | No | Git | No | No | No | No | No | Git | Yes | No | Git | No | No | Git | No | No | No | No | ? | ? | ? | ? | ? | ? |
| Kitteh IRC Client Library | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | No | ? | ? | Yes | ? | ? | ? | ? | ? |
| Kiwi IRC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | No | No | Yes | ? | Yes | No | ? | No | No | No | No | No | No |
| Konversation | Yes | v20.11.80+ | v21.03.80+ | Yes | No | Yes | No | No | v21.03.80+ | No | Yes | No | No | No | No | No | Yes | Yes | v21.04.0+ | Yes | No | No | Yes | No | Yes | No | No | ? | ? | ? | ? | ? | ? |
| LeafChat | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| LimeChat | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | Yes | No | No | No | No | No | No | No | No | ? | ? | No | No | No | No |
| Linkinus | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Mibbit | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | No | No | No | No | No | ? | No | No | ? | No | No | No | No | No | No |
| Mobile | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Monochrome | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Mozilla Thunderbird | Yes | 72.0+ | 72.0+ | No | No | No | No | No | No | 73.0+ | No | No | No | No | Yes | No | Yes | Yes | 72.0+ | 60.0+ | No | No | No | No | No | No | No | ? | ? | ? | ? | ? | ? |
| Net::Async::IRC | Yes | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| Nettalk | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| PIRC.pl web client | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | ? | Yes | Yes | ? | No | No | No | No | No | No |
| PIRCH | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| PJIRC | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Palaver | Yes | Yes | Yes | No | Yes | No | Yes | No | Yes | Yes | No | Yes | draft cap | draft cap | Yes | draft tag | Yes | Yes | Yes | Yes | draft cap | Yes | Yes | ? | No | ? | ? | ? | ? | No | No | Yes | No |
| Pidgin | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Quassel | Yes | Yes | Yes | Yes | 0.14+ | Yes | No | No | Yes | 0.14+ (opt in) | Yes | 0.14+ | No | 0.14+ | No | No | Yes | Yes | Yes | 0.14+ | 0.14+ | No | Yes | No | Yes | No | No | ? | ? | ? | ? | ? | ? |
| Quasseldroid | Yes | Yes | Yes | Yes | 0.14+ core | Yes | No | No | Yes | 0.14+ core (opt in) | Yes | 0.14+ core | No | 0.14+ core | No | No | Yes | Yes | Yes | 0.14+ core | 0.14+ core | No | Yes | ? | Yes | ? | ? | ? | ? | No | No | No | No |
| Rust irc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| Smuxi | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Snak | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Srain | Yes | Yes | Yes | No | No | No | No | No | No | No | No | Yes | No | No | No | No | No | Yes | Yes | Yes | No | No | No | Yes | No | No | No | ? | ? | ? | ? | ? | ? |
| Swirc | Yes | No | No | Yes | No | Yes | No | No | No | No | No | Yes | No | No | No | No | No | Yes | No | Yes | No | No | No | No | No | No | No | ? | ? | ? | ? | ? | ? |
| Textual | Yes | Yes | No | No | No | Yes | Yes | No | v7.1.1+ | Yes | No | No | No | No | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | No | No | No | No | ? | ? | ? | ? | ? | ? |
| The Lounge | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | No | No | ? | Yes | No | No | No | No | No |
| Tiny | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Visual IRC | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Warren | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | No | Yes | Yes | No | No | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| WeeChat | Yes | 2.2+ | Yes | Yes | No | Yes | No | No | 2.2+ | No | Yes | 2.2+ | No | 3.3+ | Yes | No | Yes | Yes | 3.3+ | Yes | 3.3+ | No | Yes | No | Yes | 3.3+ | No | ? | ? | ? | ? | ? | ? |
| XiRCON | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| catgirl | Yes | No | No | No | No | No | No | No | Yes | No | Yes | Yes | No | Yes | No | No | Yes | Yes | No | Yes | Yes | TLS-only | Yes | No | No | No | No | ? | ? | ? | ? | ? | ? |
| gamja | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | ? | Yes | No | ? | No | Yes | Yes | No | No | No |
| girc | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | ? | No | ? | ? | Yes | ? | ? | ? | ? | ? |
| irc-framework | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| ircII | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| ircrobots | Yes | Yes | Yes | Yes | Yes | Yes | No | No | Yes | No | No | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | No | Yes | Yes | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| kirc | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| mIRC | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | 7.62+ | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 7.62+ | Yes | Yes | No | Yes | No | No | ? | ? | ? | ? | ? | ? |
| pydle | Yes | Yes | No | Yes | Yes | Yes | No | No | Yes | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes | No | No | No | No | Yes | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
| qwebirc | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| rcirc | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| senpai | Yes | Yes | Yes | No | No | Yes | Yes | No | No | Yes | No | Yes | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | No | No | No | No | Yes | Yes | ? | ? | ? | ? | ? | ? |
| tri-license | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| zIRC | Yes | 1.2.4+ | 1.2.4+ | No | No | No | No | No | No | No | No | No | No | No | No | No | No | Yes | 1.2.4+ | No | No | No | No | ? | No | ? | ? | No | ? | ? | ? | ? | ? |
IRC SASL authentication primarily uses the same mechanisms as SASL in other protocols. Most commonly:
| Client | EXTERNAL | PLAIN | SCRAM-SHA-256 |
|---|---|---|---|
| Ambassador | No | No | No |
| BitchX | No | Yes | No |
| ChatSharp (lib.) | No | No | No |
| Colloquy | No | Yes | No |
| Colloquy | No | Yes | No |
| Communi(lib.) | No | Yes | No |
| CoreIRC | Yes | Yes | Yes |
| Glirc | Yes | Yes | Yes |
| Goguma | No | Yes | No |
| HexChat | Yes | Yes | No |
| IRC for Android | No | No | No |
| IRCCloud | No | Yes | Yes |
| IceChat | No | Yes | No |
| Irssi | Yes | Yes | No |
| KVIrc | Yes | Yes | No |
| Kitteh IRC Client Library(lib.) | Yes | Yes | No |
| Kiwi IRC | No | Yes | No |
| Konversation | Yes | Yes | No |
| LimeChat | No | Yes | No |
| LimeChat | No | Yes | No |
| Mibbit | No | Yes | No |
| Mozilla Thunderbird | No | Yes | No |
| Net::Async::IRC(lib.) | No | No | No |
| PIRC.pl web client | No | Yes | No |
| Palaver | No | Yes | No |
| Quassel | Yes | Yes | No |
| Quasseldroid | No | Yes | No |
| Rust irc(lib.) | No | Yes | No |
| Srain | Yes | Yes | No |
| Swirc | No | Yes | Yes |
| Textual | Yes | Yes | No |
| The Lounge | Yes | Yes | No |
| Warren(lib.) | No | Yes | No |
| WeeChat | Yes | Yes | 3.2+ |
| catgirl | Yes | Yes | No |
| gamja | No | Yes | No |
| girc(lib.) | Yes | Yes | No |
| irc-framework(lib.) | No | Yes | No |
| ircrobots(lib.) | No | Yes | Yes |
| mIRC | Yes | Yes | 7.68+ |
| pydle(lib.) | No | Yes | No |
| senpai | No | Yes | No |
| zIRC(lib.) | Yes | Yes | No |
| Client | EXTERNAL | PLAIN | SCRAM-SHA-256 |
Information on what features each of the clients support.
| Client | Multi-server | UTF-8 | Proxy server | irc:// URI scheme | Automatic updates | Scripting language |
|---|---|---|---|---|---|---|
| Bersirc | Yes | No | ? | ? | ? | N/A |
| BitchX | Yes | No | ? | ? | ? | Enhanced IrcII script |
| ChatZilla | Yes | Yes | Yes | Yes | Yes | JavaScript |
| Colloquy | Yes | Yes | ? | Yes | Yes[Note 1] | AppleScript, Cocoa, F-Script, JavaScript, Python |
| degesch | Yes | Yes | Yes | N/A | N/A | Lua |
| DMDirc | Yes | Partial | ? | Yes | Yes | Custom Actions system, Java plugins |
| ERC | Yes | Yes | Yes[Note 2] | Yes[53] | Yes[Note 3] | Emacs Lisp |
| HexChat | Yes | Yes | Yes | Yes | Yes | Perl, Python, Tcl, Lua[Note 4], JavaScript, C, C++, and via D-Bus. |
| HydraIRC | Yes | Yes | ? | ? | Yes | No |
| IceChat | Yes | Yes | No | Yes | Yes | VBScript |
| ircII | Yes | Yes[Note 5] | ? | ? | ? | IrcII script |
| IRCjr | No | No | No | No | No | N/A |
| IRCCloud | Yes | Yes | Yes | Yes | N/A | JavaScript |
| Ircle | Yes | No | ? | ? | ? | AppleScript |
| Irssi | Yes | Yes | Yes | No | No | Perl |
| jIRCii | Yes | Yes | Yes | ? | No | Sleep |
| KiwiIRC | Yes | Yes | Yes | Yes | N/A | JavaScript, Node.js |
| Konversation | Yes | Yes | Yes | Yes | ? | Shell script, Ruby, Python, Perl, Java, C++, C#, JavaScript[Note 6] |
| KVIrc | Yes | Yes | Yes | Yes | No | KVS (custom), Perl, Python, C++ |
| LeafChat | Yes | Yes | ? | N/A | Yes | Java |
| LimeChat | Yes | Yes | ? | ? | ? | N/A |
| Linkinus | Yes | Yes | Yes | Yes | Yes | AppleScript, Cocoa |
| Mibbit | Yes | Yes | ? | Yes | N/A | N/A |
| mIRC | Yes | Yes | Yes | Yes | Yes[Note 7] | mIRC script |
| Nettalk | Yes | Yes | SOCKS | Yes | Yes | VBScript, custom |
| PIRCH | Yes | No | ? | ? | No | Yes |
| PJIRC | Yes | Yes | ? | ? | No | Partial, JavaScript |
| Quassel | Yes | Yes | Yes | ? | No | No |
| qwebirc | No | Yes | No | Yes | Yes | No |
| rcirc | Yes | Yes | ? | ? | No | Emacs Lisp |
| Smuxi | Yes | Yes | Yes | ? | ? | Yes (language agnostic) |
| Snak | Yes | Yes | ? | ? | ? | AppleScript, IrcII script |
| Visual IRC | Yes | No | ? | ? | ? | Versus |
| WeeChat | Yes | Yes | Yes | Yes | ? | C, Perl, Python, Ruby, Lua, Tcl, Scheme (Guile) |
| Client | Multi-server | UTF-8 | Proxy server | irc:// URI scheme | Automatic updates | Scripting language |