Comparison of instant messaging clients

From Wikipedia, the free encyclopedia

The following tables compare general and technical information for a number of instant messaging clients. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. External links lead to extensions that add a feature to a client.

Contents

[edit] General information

Basic general information about the real time communication services: creator/company, license/price, amongst others.

Author / Creator First public release date Type Latest stable version Cost (USD) License
Adium Adam Iser, Evan Schoenberg September 2001 Multi-protocol 1.2.5  (April 29, 2008) (Mac OS X) Free GPL v2
AOL Instant Messenger (AIM) AOL May 1997 Single protocol 6.5.9.1 (Windows)
1.0.2 Build 110 Beta (Pro (Win))
1.3.30.1 (Triton (Win))
4.7.1333 (Mac OS X)
1.5.286 (Linux)
Free
Ad-supported
Clickwrap license
aMSN Alvaro J. Iradier Muro May 2002 Single protocol 0.97 Free GPL
A-Talk Robert Edworthy 2006 Single protocol 1.0.3 Free GPL
Ayttm Colin Leroy and Philip Tellis April 2003 Multi-protocol 0.5.0-10 (Linux)
0.4.6-17 (Windows)
Free GPL
BitWise IM BitWise Communications, LLC 2002-03-17 Single protocol/Encrypted 1.7.2 Free Clickwrap license
BitlBee Wilmer van der Gaast 2002-08-09 IRC Gateway, Multi-protocol 1.0.3 Free GPL
Centericq Konstantin Klyagin 1999 Multi-protocol 4.21.0  (September 2, 2005) Free GPL
climm Mattew D. Smith (up to ICQv5); Rüdiger Kuhlmann 1997(?); 2001 Dual protocol 0.6.2 Free GPL v2
Coccinella Mats Bengtsson 1999-12-01 Single protocol 0.96.8  (April 30, 2008) Free GPL v3
Cspace Cspace 2006-07-28 Single protocol 1.26 Free GPL
Digsby Steven Shapiro Jan 2008 Multi-protocol Beta Free Clickwrap license
Ebuddy Paulo Taylor 2003-03-09 Multi-protocol Beta v5.0.1 Free Clickwrap license
EQO EQO Communications 2006-02-06 Multi-protocol 1.4 Free Clickwrap license
emesene Luis Mariano Guerra 2006-05-24 Single protocol 1.0 Beta Free GPL
Exodus Peter Millard 2002 Single protocol 0.9.1.0 Free GPL
Fire Eric Peyton 1999-04-01 Multi-protocol 1.5.6  (February 15th, 2006) Free GPL
Fring Multi-protocol Free Clickwrap license
Gabtastik Mesa Dynamics, LLC May 2008 SSB 0.2 Free Clickwrap license
Gadu-Gadu Łukasz Foltyn Single protocol 7.7 Free Clickwrap license (?)
Gajim Yann Le Boulanger 2004-05-21 Single protocol 0.11.4  (December 6, 2007) Free GPL
GCN Jason K. Resch 2000-11-18 Single protocol 2.9.1 Free
Ad-supported
Clickwrap license
GOIM Herbert Poul 2005-08-16 Single protocol 1.1.0  (July 2, 2006) Free GPL
Goofey Tim Mackenzie 1990s (Early 1990s) Single protocol 2.08 Free Clickwrap license
Google Talk Google, Inc. 2005-08-24 Dual protocol 1.0.0.104  (January 1, 2007) Free Clickwrap license
iChat Apple Inc. August 2002 Multi-protocol 4.0 (601)  (October 26, 2007) Free Clickwrap license
IBM Lotus Sametime IBM, Ubique 1998 Multi-protocol -- proprietary T.120, SIP, XMPP 8.0; March 2008 depends Clickwrap license
ICQ Mirabilis (AOL) November 1996 Single protocol 6.0 Free
Ad-supported
Clickwrap license
IMVU Will Harvey  ? Single-protocol beta Free Clickwrap license
Instantbird Florian Quèze and Quentin Castier 2007 Multi-protocol 0.1.1 Free GPL v2
Interaction Chat Auriance August 2006 HTTP 1.0 Free Clickwrap license
Jabbin Jabbin Team December 2005 Multi-protocol none Free GPL v2
Kadu Kadu Team August 2001 Single protocol 0.6.0 Free GPL v2
Konnekt Stamina 2002 Multi-protocol 0.6.22.137 Free Clickwrap license
Kopete Kopete Team 2002-03-03 Multi-protocol 0.50.2 Free GPL
Licq Graham Roff (up to v1.0)
Jon Keating
1998-06-22 Multi-protocol 1.3.2 Free GPL
Mail.ru Agent Mail.ru May 2003 Single-protocol 5.0 (Windows)
1.0 (Windows Mobile)
2.1 (J2ME)
Free Clickwrap license
MCabber Mikael Berthe 2005-06-07 Single-protocol 0.9.7  (April 17, 2008) Free GPL
MECA Messenger  ? Multi-protocol 5.2 Free Clickwrap license
meebo Meebo, Inc. 2005 Multi-protocol, Web-based alpha v19 Free Clickwrap license
Meetro Paul Bragiel & Samuel Stauffer 2005 Multi-protocol 0.96 Beta (Win)
0.53 Beta (Mac OS X)
Free Clickwrap license
Mercury Messenger Danny 2003 Multi-protocol 1.9 Final  (October 20, 2007) Free Clickwrap license
MindSpring Earthlink 2006-04-03 Multi-protocol 1.0 (v53.0) Free Clickwrap license
Miranda IM Miranda IM project 2000-02-06 Multi-protocol 0.7.6 Free GPL
Microsoft Messenger for Mac Microsoft  ? Single protocol 7.0 Free Clickwrap license
MySpaceIM MySpace 2006-05-09 Single protocol 1.0.754.0 (February 7, 2008) Free
Ad-supported
Clickwrap license
Naim Daniel Reed 1998-10-05 Multi-protocol 0.11.8.3.1 (2007-07-09) Free GPL
OpenWengo Wengo 2004 Multi-protocol 2.1.2 Free
GPL
Pandion Dries Staelens, Sebastiaan Deckers 2004-06-28 Single protocol 2.5  (2006-01-07) Free
Clickwrap license
Paltalk Jason Katz 1998 Multi-protocol 9.0 Free
Clickwrap license
Pidgin (formerly Gaim) Mark Spencer November 1998 Multi-protocol 2.4.2  (May 17, 2008) Free GPL
pork Ryan McCabe 2006-12-06 AIM, IRC Gateway 0.99.8.1 Free GPL v2
Proteus Justin Wood, et al. November 2001 Multi-protocol 4.20  (June 08, 2008) Free GPL
Psi Justin Karneges 2001 Single protocol 0.11  (October 15, 2007) Free GPL
psyced psyced.org Project 1997 IRC+XMPP+PSYC Gateway, Multi-protocol 0.99 Free GPL
QIP Ilgam Zyulkorneev 2004 Single-protocol 8050 (Windows)
1020 (Windows Mobile)
1040 (Symbian S60 and UIQ3)
Free Clickwrap license
QIP infium Ilgam Zyulkorneev 2007 Multi-protocol 9000 Free Clickwrap license
Qnext Qnext Corp. 2004-06-28 Multi-protocol 3.0.1.36 (Beta)(March 1, 2007) Free
Ad-supported
Clickwrap license
Tencent QQ Tencent February 1999 Single protocol 2008 贺岁版 Free
Ad-supported
Clickwrap license
RealTimeQuery realtimequery.com 2005-2007 Single protocol v3.0 - 2007 $99.95 Clickwrap license
SIM SIM project  ? Multi-protocol 0.9.4.3  (March 5, 2007) Free GPL
Solixa www.solixa.com  ? Single-protocol Template:Latest stable release/Solixa Free GPL
Skype Niklas Zennström and Janus Friis / eBay 2003 Single protocol 3.8.0.139 (Windows),
2.7.0.330 (Mac OS X),
2.0.0.68 (Linux x86),
2.2.0.37 (Windows Mobile)
 (April 29, 2008 (Windows),
May 14, 2008 (Mac OS X),
April 3, 2008 (Linux),
May 9, 2008 (Windows Mobile))
Free Clickwrap license
talk Kipp Hickman 1982 Single protocol 1.7 (BSD version) Free BSD
Trillian Cerulean Studios 2000-07-01 Multi-protocol 3.1.10.0 (May 20, 2008) Free Clickwrap license
Trillian Pro Cerulean Studios 2002-09-10 Multi-protocol 3.1.10.0 (May 20, 2008) $25 Clickwrap license
Trillian Astra Cerulean Studios  ? Multi-protocol Alpha  ? Clickwrap license
Windows Live Messenger (formerly MSN Messenger) Microsoft July 1999 Dual protocol 8.5.1302 (Windows XP/Vista)
1.0.6141 (Windows Live for Nokia S60)
Free
Ad-supported
Clickwrap license
Windows Messenger Microsoft 2001-10-25 Multi-protocol 5.1.0701 (Windows XP SP2) Free Clickwrap license
Xfire Xfire Inc. 2004 Single protocol 1.92 Free
Ad-supported
Clickwrap license
Yahoo! Messenger Yahoo! 1999-06-21 Dual protocol 8.1.0.244 (Win)
2.5.3 (Mac)
1.0.4 (Unix)
Free
Ad-supported
Clickwrap license
Zephyr Project Athena 1987 Single protocol 2.0 Free MIT
BigAnt Instant Messenger BigAntSoft 2008-02-20 Single protocol 2.4 $14 Commercial license
Author / Creator First public release date Type Latest stable version Cost (USD) License

[edit] Operating system support

The operating systems the clients can run on without emulation or compatibility layers.

Windows Mac OS X Linux BSD Unix Windows Mobile BlackBerry Other
Adium No Yes No No No No No
AIM Yes Dropped (4.7.1333) Dropped (1.5.286) No No Yes ? Palm
aMSN Yes Yes Yes Yes Yes No ? Nokia N770, N800
A-Talk Yes No No No No No No
Ayttm Old version Yes Yes Yes Yes ? ?
BitlBee Yes Yes Yes Yes Yes ? ? AmigaOS
BitWise IM Yes Yes Yes No No No ?
Centericq Yes Yes Yes Yes Yes ? ?
climm Yes2 Yes Yes Yes Yes ? ? AmigaOS
Coccinella Yes Yes Yes Yes Yes Yes ?
Digsby Yes 0TBA 0TBA No No No No
Ebuddy Yes Yes Yes ? Yes Yes Yes iPhone/Sony PSP/Nintendo DS/Palm/Mobile Phones
EQO No No No No No Yes Yes Symbian S40/S60/S80, Java mobile
Exodus Yes No No No No ? ?
Fire No Yes No No No ? ?
fring No No No No No No No Symbian OS
Gadu-Gadu Yes No No No No No No
Gajim Yes Yes1 Yes Yes Yes ? ?
GCN Yes No No No No ? ?
GOIM Yes Yes Yes No No ? ?
Goofey6 No Yes7 Yes Yes Yes ? ?
Google Talk (standalone) Yes No No No No ? Yes
Google Talk (Gmail) Yes Yes Yes Yes Yes Yes ?
IBM Lotus Sametime Yes Yes Yes Yes Yes Yes Yes [1], Nokia Eseries / Symbian OS, Sony Ericcson M600/P900/P1i Series
iChat No Included No No No No No
ICQ Yes Dropped (3.4.23) No No No Yes Yes
IMVU Yes No No No No ? ?
Instantbird Yes Yes Yes ? ? ? ?
Interaction Chat Yes Yes Yes Yes Yes ? ?
imeem Yes Yes No No No ? ?
Jabberwocky No No No No No No No AmigaOS, MorphOS
Kadu No Yes Yes Yes Yes ? ?
Kopete Not Yet Yes1 Yes Yes Yes ? ?
Licq No No Yes Yes Yes ? ?
Mail.ru Agent Yes No No No No Yes No Java Mobile
MCabber No Yes Yes Yes Yes No ?
MECA Messenger Yes No No No No ? ?
meebo Yes Yes Yes Yes Yes ? ? iPhone
Meetro Yes Yes No No No ? ?
Mercury Messenger Yes Yes Yes Yes (Unofficially, Java) Yes (Unofficially, Java) ? ?
Miranda IM Yes No No No No No ?
Microsoft Messenger for Mac No3 Yes No3 No3 No3 No No
MindSpring Yes No No No No ? ?
MySpaceIM Yes No No No No ? ?
Naim Yes Yes Yes Yes Yes ? ?
OpenWengo Yes Yes5 Yes Yes Yes ? ?
Pandion Yes No No No No ? ?
Paltalk Yes No No No No ? ?
Pidgin (formerly Gaim) Yes Yes1 Yes Yes Yes No No AmigaOS
pork No Yes Yes Yes Yes ? ?
Proteus No Yes No No No ? ?
Psi Yes Yes Yes Yes Yes No No
psyced Yes Yes Yes Yes Yes ? ?
QIP Yes No No No No Yes No S60 and UIQ3 on Symbian OS
QIP infium Yes No No No No No No
Qnext Yes Yes Yes Yes Yes ? ?
QQ Yes Yes (beta) No No No ? ?
RealTimeQuery Yes No No No No ? ?
SIM Yes Yes Yes Yes Yes ? ?
Skype Yes Yes Yes No No Yes ?
talk Yes4 Yes Yes Yes Yes ? ?
Trillian Yes No No No No ? ?
Trillian Pro Yes No No No No ? ?
Trillian Astra Yes Yes Yes Yes Yes ? ? iPhone
Windows Live Messenger Yes No No No No Yes No S60 on Symbian OS
Windows Messenger Included (XP) Yes8 No No No Yes ?
Xfire Yes No No No No No No
Yahoo! Messenger Yes Yes No No No ? Yes
Zephyr Yes Yes Yes Yes Yes ? ?
BigAnt Instant Messenger Yes No No No No No No
Windows Mac OS X Linux BSD Unix Windows Mobile BlackBerry Other

Note 1: Not a dedicated Mac OS X but a POSIX application: Will need an X server and additional libraries installed, and will not look like a native Mac OS X application.

Note 2: Requires ANSI terminal. See e.g. Windows ANSI driver problem on how to load ANSI.SYS.

Note 3: MSN Web Messenger can be used with a compatible browser and valid Microsoft Passport Network account.

Note 4: Numerous talk/ytalk clients exist for Win32; others are available under the Cygwin environment.

Note 5: Only available in the upcoming version OpenWengo-ng already available through Subversion.

Note 6: Generally only available as source, not as a ready-to-install binary.

Note 7: Client will only work on Mac OS X within a Unix terminal session (Terminal.app, Xterm, iTerm, or similar.)

Note 8: It is called Messenger for Mac, currently version 7.

[edit] Protocol support

[edit] Single protocol clients

[edit] Jabber Clients without any multi-protocol transports

[edit] Jabber Clients using server-sided multi-protocol transports

[edit] Multiprotocol clients

Information on the instant messaging protocols that each client supports.

Number of Supported Protocols AIM ICQ Windows Live Messenger /previously MSN Messenger Yahoo! Messenger IRC XMPP /Jabber, Google Talk, etc Bonjour
/formerly Rendezvous
Novell GroupWise Messenger Lotus Sametime Gadu-Gadu QQ OTR Others
Adium 17 Yes Yes Yes 16 Yes No Yes Yes 10 Yes Yes Yes Yes Yes LiveJournal, Yahoo! Japan, .Mac, Zephyr; extendable through plugins
AIM 02 Yes Yes No No No No No No No No No With proxy No
Ayttm 06 Partial6 Partial6 Yes Yes Yes Yes No No No No No No No
BitlBee 05 Yes Yes Yes Yes No Yes No No No No No Yes 20 No
Centericq 06 Partial6 Yes Yes Yes Yes Yes No No No Yes No No ?
climm 02 Partial12 Yes No No No Partial13 No No No No No Yes No
Digsby 08 Yes Yes Yes Yes No Yes No No No No No No MySpace, Facebook
Ebuddy 05 Yes No Yes Yes No Yes No No No No No No MySpace IM
EQO 07 Yes Yes Yes Yes No Yes No No No No Yes No no
Fire 07 Yes Yes Yes Yes Yes Yes Yes 10 No No No No No No
Funpidgin 14 Yes Yes Yes 16 Yes Yes Partial15 Yes 10 Yes Yes Yes Yes With plugin1 SILC, XFire, Zephyr, Blizzard Battle-Net Chat (with plugins)
IBM Lotus Sametime 03 Yes 18 No No Yes 18 No Yes18 No No Yes No No No SIP
iChat 04 Yes No No No No Yes Yes No No No No No .Mac
ICQ 02 Yes Yes No No No No No No No No No No No
imeem 04 Yes No Yes Yes No Yes No No No No No No ?
IMVU 06 Yes Yes Yes Yes No Yes No No No No No No IMVU
Instantbird 06 Yes Yes Yes Yes Yes Yes No No No Yes Yes No No
Jabberwocky 04 Yes Yes Yes Yes No No No No No No No No No
Kopete 010 Yes Yes Yes Yes Yes Partial15 No Yes Yes Yes No Yes Skype (deprecated), WinPopup
Licq 03 Yes Yes Yes No No No No No No No No No ?
MECA Messenger 05 Yes Yes Yes Yes No Yes No No No No No No No
meebo 05 Yes Yes Yes Yes No Yes No No No No No No Livejournal (via jabber)
Meetro 04 Yes Yes Yes Yes No No No No No No No No No
Miranda IM 16 Yes Yes Yes Yes Yes Yes Yes No Yes Yes With plugin21 Yes Skype, Tlen, LAN,5 Chat,5
Naim 03 Yes Partial No No Yes No No No No No No No Lily
OpenWengo 06 Yes Yes Yes Yes No Yes No No No No No No SIP/SIMPLE
Paltalk 03 Yes Yes No Yes No No No No No No No No
Pidgin (formerly Gaim) 14 Yes Yes Yes 16 Yes Yes Partial15 Yes 10 Yes Yes Yes Yes With plugin1 SILC, XFire, Zephyr, Blizzard Battle-Net Chat (with plugins), Skype (with plugin)19, Facebook (with plugin)22
pork 02 Yes No No No Yes No No No No No No No
Proteus 08 Yes Yes Yes Yes No Yes Partial9 No Yes Yes No With proxy Yahoo! Japan
QIP 02 Yes Yes No No No No No No No No No No No
QIP infium 05 Yes Yes No No No Yes No No No No No No Mail.ru Agent, Phoning
Qnext 06 Yes Yes Yes Yes Yes No No No No No No No Qnext
SIM 06 Yes Yes Yes Yes No Yes No No No No No No LiveJournal
talk 02 No No No No No No No No No No No No ntalk, ytalk
Trillian 05 Yes Yes Yes Yes Yes No No No No No No No No
Trillian Pro 08 Yes Yes Yes Yes Yes Partial14, 15 Yes 10 Yes Yes With plugin1 With plugin1 With plugin1 Skype, XFire (with plugin)
Trillian Astra 09 Yes Yes Yes Yes Yes Partial14, 15 Yes 10 Yes Yes With plugin1 With plugin1 No Skype, ASTRA, MySpace, XFire (with plugin)
Windows Live Messenger 02 No No Yes 16 Yes No No No No No No No No No
Windows Messenger 03 No No Yes No No No No No No No No No SIP, EIM
Yahoo! Messenger 03 No No Yes Yes 17 No No No No Yes No No No No
Number of Supported Protocols AIM ICQ Windows Live Messenger (previously MSN Messenger) Yahoo! Messenger IRC XMPP /many compatible services, including Google Talk Bonjour
/formerly Rendezvous
Novell GroupWise Messenger Lotus Sametime Gadu-Gadu QQ OTR Others

Note 1: Plugin available [2]

Note 2: Plugin available

Note 3: Interoperability with proprietary protocols can be achieved using server-side gateways (so-called transports) in Jabber.

Note 4: Plugin available, but requires installed and running Skype.

Note 5: LAN and chat protocols supported for Miranda include NetSend, WinPopup, Novell Netware NCP, BattleNet, Vypress Chat, Quick Chat, and Walla Chat.

Note 6: Uses the AIM TOC2 protocol, which has fewer features than the Oscar protocol the official client uses. An Oscar plugin is available, but is still in early development.

Note 7: Plugin available [3]

Note 8: Can only enter one ICQ/AOL IM account, so users who have both an ICQ number and an AOL IM account name, can't use both.

Note 9: Text-based messaging only; does not support Bonjour/iChat's audio IM functionality.

Note 10: Probably text-based messaging only, without support for Bonjour/iChat's audio IM functionality.

Note 11: Plugin available, but requires Skype to be installed and running.

Note 12: AIM interoperability: can send/receive to AIM from an ICQ account.

Note 13: The support is optional. It currently isn't feature-complete, but basic operations should be fine.

Note 14: Claims to be supported, though frequently fails to receive or deliver messages, and tends to crash when receiving multiuser chat invites or file transfer requests.

Note 15: Feature incomplete. Lacks service discovery and transport support, making user search, multiuser chat, connections to other IM networks via XMPP difficult or impossible.

Note 16: Yahoo! Messenger interoperability: can send/receive to Yahoo! Messenger from a Windows Live Messenger account.

Note 17: Windows Live Messenger interoperability: can send/receive to Windows Live Messenger from a Yahoo! Messenger account.

Note 18: Using IBM Sametime Gateway you can establish a server to server communication to other IM communities. [4]

Note 19: With plug-in, requires Skype to be running, no video or voice support. [5]

Note 20: See post 2008-02-19 02:39 at http://bugs.bitlbee.org/bitlbee/ticket/115#comment:25

Note 21: With using third-party plug-in "MirandaQQ" developed by Stark Wong from Hong Kong. [6]

Note 22: Facebook Chat plugin for Pidgin

[edit] Features

Information on what features each of the clients support.

Toolkits or SDKs Encryption File transfer Proxy-server Graphical smileys Unicode (UTF-8) Built-in games Themes / skins Plugin system 1 Third party add-ons 2 Scripting Message Logging Voice messaging Voice Mail Webcam Support Offline messaging Remote desktop application assistance Whiteboard
Adium Cocoa Yes 11 Partial Yes Yes No Yes Yes Yes Yes Yes No  ? No  ?  ?  ?
AIM W32 Yes Yes Yes Yes Partial Yes Yes Yes  ? Yes Yes  ? Yes Yes  ?  ?
aMSN Tcl/Tk  ? Yes Yes Yes Partial Yes Yes Yes Yes Yes Yes 17  ? Yes Yes  ?  ?
BitlBee n/a No No No Yes No Partial 19 Yes No  ? Partial 19  ?  ? No Yes  ?  ?
BitWise IM W32, GTK2, Carbon Yes 7 Yes No  ? Yes Yes No No  ? Yes Yes  ?  ? Yes  ? Yes
Centericq ncurses Partial 9 Partial No  ? No Yes Yes  ? Yes Yes No No No Yes  ?  ?
climm line based Yes 5,11 Yes N/A Yes No Yes No No Yes Yes N/A N/A N/A Yes N/A No
Coccinella Tcl/Tk Yes Yes Yes Yes Yes Yes Yes  ? No Yes Yes No No Yes No Yes
Ebuddy  ? Yes No Yes ? No No  ?  ?  ?  ? No No No Yes  ?  ?
EQO n/a Yes No Yes Yes No No No No No No Yes No No Yes No No
Exodus W32 No Yes Yes Yes No No Yes No  ?  ?  ?  ? No Yes  ?  ?
Fire Cocoa Yes 6 Yes Yes Yes No Yes Yes Yes Yes Yes  ?  ?  ?  ?  ?  ?
Gadu-Gadu W32  ? Yes Yes No No ? No Yes No Yes Yes  ?  ? Yes No No
Gajim GTK2 Yes 9 Yes Yes Yes No Yes No No No Yes No  ? No Yes  ?  ?
GCN W32 Yes 4 Yes Yes  ? Yes Partial No Yes  ?  ?  ?  ?  ?  ?  ?  ?
GOIM Java/SWT Yes No Yes Yes No Partial Yes No No No No  ? No Yes  ?  ?
Google Talk W32 No Yes Partial Yes No Yes No Yes No Yes Yes Yes Third party plugin Yes No No
IBM Lotus Sametime Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes available Yes Yes Yes Yes
iChat Cocoa Yes Yes Yes Yes No No No Yes Yes Yes Yes  ? Yes Yes Yes Partial 3
ICQ W32 No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes No No
imeem  ? No Partial Yes  ? No No No No  ? Yes  ?  ?  ?  ?  ?  ?
IMVU  ?  ? No Yes Yes Partial Yes No Yes 13 No Yes 14 No  ? No Yes  ?  ?
Jabberwocky No No Partial No No No No No No Yes 20 No No No No No No No
Kadu Qt Yes Yes Yes  ? No Partial Yes Yes  ? Yes Yes  ? No No  ?  ?
Kopete Qt/KDE Yes 9,11 Partial No Yes Partial No Yes Yes Yes  ? Yes Partial (with plugin)  ? Yes Yes  ?  ?
Licq Qt Yes 5 Yes https Yes Yes No Yes Yes Yes  ? Yes  ?  ?  ? Yes  ?  ?
MCabber Curses Yes 11 No No Yes No  ?  ? No  ? Yes No No No Yes No No
MECA Messenger  ?  ? Yes Yes Yes Partial Yes No No No Yes  ?  ?  ?  ?  ?  ?
Meetro  ? Yes No Yes  ? No No No No  ? Yes  ?  ?  ? Yes  ?  ?
Mercury Messenger Swing Yes 4 Yes Yes Yes Yes Yes Yes Yes No Yes No  ? Yes Yes  ?  ?
Miranda IM W32 Yes 10,11 Yes Yes Yes Yes Yes Yes Yes Yes Yes Partial 15 No Partial15 Yes No Yes
Toolkits or SDKs Encryption File transfer Proxy-server Graphical smileys Unicode (UTF-8) Built-in games Themes / skins Plugin system 1 Third party add-ons 2 Scripting Message Logging Voice messaging Voice Mail Webcam Support Offline messaging Remote desktop application assistance Whiteboard
Microsoft Messenger for Mac Carbon No Yes Yes Yes No No No No No Yes No  ? No Yes  ?  ?
OpenWengo Qt Yes Yes Yes Yes No Yes No No  ?  ?  ?  ? Yes  ?  ?  ?
Paltalk n/a Yes Yes Yes No Yes Yes No No No Yes Yes  ? Yes Yes  ?  ?
Pandion  ? Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No  ? No Yes  ?  ?
Pidgin (formerly Gaim) GTK2 8,11 Partial Yes Yes No Yes Yes Yes Yes Yes No No No Partial No Partial
pork ncurses  ? Yes No  ?  ? No No No No Yes Yes  ? No  ?  ?  ?
Proteus Cocoa  ? Partial Yes  ? No Yes Yes Yes  ?  ?  ?  ?  ? Yes  ?  ?
Psi KDE/Qt Yes 9 Yes Yes Yes No Partial (Icon sets only) No (will be included in future release) No No Yes No No No Yes No No
psyced n/a Yes No No Yes No No Yes Yes Yes Yes No No No Yes No No
QIP W32, VCL Yes Yes http(s), socks4, 4A, 5 Yes Yes No Yes No Yes No Yes No No No Yes No No
Qnext Swing Yes Yes Yes Yes Yes Yes Yes Yes  ?  ? Yes  ? Yes  ?  ?  ?
QQ W32 No Yes Yes No Yes Yes No Yes No Yes Yes No Yes Yes Yes Yes
RealTimeQuery N/A Not Yet Yes No No No Yes No No No Yes Not Yet No Not Yet Not Yet No ?
SIM Qt/KDE Yes 5,6 Yes Yes Yes No Yes Yes No  ? Yes  ?  ?  ? Yes  ?  ?
Skype Qt/KDE, W32 Yes (Skype only) Yes Yes Partial Yes No Yes Yes  ? Yes Yes (Skype only)  ? Yes (Skype only) No  ?  ?
talk curses No No No No No No No No No No No No No No No No
Trillian Basic 3.0 W32 Yes Yes Yes Partial No Yes No Yes  ? Yes  ?  ? No Yes  ?  ?
Trillian Pro 3.0 W32 Yes Yes Yes Partial Yes Yes Yes Yes Partial Yes Yes  ? Yes Yes  ?  ?
Trillian Astra W32 Yes Yes Yes Yes Yes Yes Yes Yes Yes? Yes Yes  ? Yes Yes  ?  ?
Windows Live Messenger

formerly MSN Messenger

W32 No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Windows Messenger W32 No Yes Yes Yes No No Partial No  ? No Yes  ? Yes  ? Yes Yes
Xfire W32 No Yes No Yes No Yes Partial Yes No Yes Yes No No No No No
Yahoo! Messenger W32, Cocoa, GTK No Yes Yes Yes Yes Yes Yes No  ? Yes Yes Yes Yes Yes  ?  ?
Toolkits or SDKs Encryption File transfer Proxy-server Graphical smileys Unicode (UTF-8) Built-in games Themes / skins Plugin system 1 Third party add-ons 2 Scripting Message Logging Voice messaging Voice Mail Webcam Support Offline messaging Remote desktop application assistance Whiteboard

Note 1: Plug-in system to add/expand the default features for the application, or protocol. Such as (but not limited to) Trillian chat client - Plugins.

Note 2: Third party add-ons which are usually not approved by the author of the application and are usually standalone. Such as (but not limited to) AOL Instant messenger - Third-party add-ons.

Note 3: Using third party add-on software. Consult the client's page for details.

Note 4: Proprietary; compatible only to itself.

Note 5: ICQ: SSL-encrypted direct connections; compatible between climm, licq and SIM.

Note 6: Any protocol: GPG-encrypted messages.

Note 7: Blowfish-encrypted direct connection; compatible only to itself.

Note 8: Newer version Pidgin: Pidgin-encryption plugin, older version Gaim: Gaim-encryption plugin, available at pidgin-encrypt.sf.net. This plugin is compatible with Pidgin/Gaim clients only.

Note 9: Compatible with all Jabber clients implementing JEP-0027 (standard Jabber encryption).

Note 10: SecureIM plugin provides 192 bits AES Encryption, compatible only between Miranda clients.

Note 11: End to end encryption via "Off The Record" (OTR) encryption. Adium: Plugin (built-in), Kopete: Plugin (kopete-otr.follefuder.org), Pidgin: Plugin (www.cypherpunks.ca/otr), Miranda: Plugin (addons.miranda-im.org/details.php?action=viewfile&id=2644), climm: built-in since (mICQ) 0.5.4, Trillian Pro: Plugin (trillianotr.kittyfox.net)

Note 13: While IMVU does not allow add-ons to extend the client, registered accounts can create new content for use inside the simulation.

Note 14: IMVU logs all actions perceived by the client, including actions that do not have a textual result, making the log difficult to use for reading of messages.

Note 15: WebCam Video, a plugin for Miranda IM, allows for video chat between two users of the Miranda IM client through a different method than whichever protocol they may currently use.

Note 16: AES256-encrypted direct connection; compatible only to itself.

Note 17: Only voice clips are fully supported, not the audio conference feature.

Note 19: The IRC client connecting to the bitlbee server should take care of this feature.

Note 20: The Jabberwocky client allows scripting in the ARexx language.

[edit] Features 2

Handwriting mode Dockable Multiaccount Spell check User-Defined Graphical Smileys Animations
Adium  ? Yes Yes Yes  ?  ?
AIM  ?  ? No  ?  ?  ?
aMSN Yes  ? Yes Yes Yes Yes
BitlBee No  ?  ?  ?  ?  ?
BitWise IM  ?  ?  ?  ?  ?  ?
Centericq  ?  ?  ?  ?  ?  ?
climm N/A  ? Yes  ?  ?  ?
Coccinella  ? Yes Yes Yes  ?  ?
EQO n/a n/a Yes No No No
Exodus  ?  ?  ?  ?  ?  ?
Fire  ?  ?  ?  ?  ?  ?
Gajim  ?  ? Yes  ?  ?  ?
GCN  ?  ?  ?  ?  ?  ?
GOIM  ?  ?  ?  ?  ?  ?
Goofey6  ?  ?  ?  ?  ?  ?
Google Talk (standalone) No Yes No No No No
Google Talk (Gmail) No  ?  ? No No Yes
iChat  ?  ?  ?  ?  ?  ?
ICQ No Yes No Yes No Yes: tZer
IMVU  ?  ?  ?  ?  ?  ?
Interaction Chat  ?  ?  ?  ?  ?  ?
imeem  ?  ?  ?  ?  ?  ?
Jabberwocky  ? Yes  ?  ?  ?  ?
Kadu  ?  ?  ?  ?  ?  ?
Kopete No  ? Yes Yes  ?  ?
Licq  ?  ?  ?  ?  ?  ?
MECA Messenger  ?  ?  ?  ?  ?  ?
meebo  ?  ?  ?  ?  ?  ?
Meetro  ?  ?  ?  ?  ?  ?
Mercury Messenger Yes Yes Yes No  ?  ?
Miranda IM Yes Yes Yes Yes Yes Yes
Microsoft Messenger for Mac  ?  ?  ?  ?  ?  ?
MindSpring  ?  ?  ?  ?  ?  ?
MySpaceIM  ?  ?  ?  ?  ?  ?
Naim No  ?  ?  ?  ?  ?
OpenWengo  ?  ? Yes  ?  ?  ?
Pandion  ?  ?  ?  ?  ?  ?
Paltalk  ?  ?  ?  ?  ?  ?
Pidgin (formerly Gaim) No Yes Yes Yes Yes  ?
pork  ?  ?  ?  ?  ?  ?
Proteus  ?  ?  ?  ?  ?  ?
Psi No  ? Yes Yes  ?  ?
psyced No No No No  ?  ?
Qnext  ?  ?  ?  ?  ?  ?
QIP Yes Yes Yes Yes  ? Yes:smileys
QQ No Yes Yes No Yes  ?
RealTimeQuery No  ? Yes  ?  ?  ?
SIM  ? Yes Yes Yes  ?  ?
Skype No No No No  ?  ?
talk  ?  ?  ?  ?  ?  ?
Trillian Yes Yes Yes Yes  ?  ?
Trillian Pro Yes Yes Yes Yes  ?  ?
Trillian Astra Yes Yes Yes Yes  ?  ?
Windows Live Messenger Yes No No No Yes Yes: Animoticons
Windows Messenger No No No No  ?  ?
Yahoo! Messenger  ?  ?  ? No  ?  ?
Zephyr  ?  ?  ?  ?  ?  ?
Handwriting mode Dockable Multiaccount Spell check User-Defined Graphical Smileys Animations

[edit] See also

[edit] References