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.
General information
Basic general information about the real time communication services: creator/company, license/price, amongst others.
Operating system support
The operating systems the clients can run on without emulation or compatibility layers.
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 QuteCom 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.
Protocol support
Single protocol clients
- aMSN - MSNP
- BitWise IM
- Brosix
- emesene - MSNP
- Gale Messaging
- Google Talk
- Gyachi
- Kadu (instant messenger) - GG
- KMess - MSNP
- Mail.ru Agent
- Mercury Messenger - MSNP
- Microsoft Messenger for Mac - MSNP
- MSNP-Sharp - MSNP
- NateOn
- qutIM
- Skype
- Tencent QQ
- TerraIM
- VZOchat
- Zephyr
Many IRC-only clients are listed at Comparison of Internet Relay Chat clients
XMPP clients
Note 1: Not really compatible with Jingle specification, does not work with all clients
Note 2: Not compatible with Jingle specification and available for Windows only
Multiprotocol clients
Information on the instant messaging protocols that each client supports.
Note 1: Plugin available
Note 2: Plugin available
Note 3: Interoperability with proprietary protocols can be achieved using server-side gateways (so-called transports ) in XMPP.
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
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: Only trunk builds of Adium have IRC support, which is very limited.
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 (some bugs): can send/receive to Yahoo! Messenger from a Windows Live Messenger on-line account. No audio or video support as of yet.
Note 17: Windows Live Messenger interoperability: can always 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.
Note 19: With plug-in, requires Skype to be running.
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.
Note 22: Facebook Chat plugin for Pidgin
Note 23: No audio or video, and generally poor support for anything beyond the very basic in the protocol. So there is chat and smileys, but no Photo Album Sharing, SMS and the rest. Also, although the oficial client does have the ability to embed the communication through HTTP there is no such option for Gaim.
Note 24: among others, the privacy settings are not working Note 24: Access is denied in the Yahoo network as it uses a deprecated protocol.
Note 25: Bitlbee does not provide access to IRC. Instead users connect to it as if it were an IRC server so Bitlbee and IRC will both be used from the same IRC client.
Note 26: Digsby does not support XMPP conferences.
Note 27: Nimbuzz does not support skype on the PC clients. Source: http://forum.nimbuzz.com/index.php?action=vthread&forum=11&topic=406
Note 28: Plugin available
Note 29: Plugin available
Features
Information on what features each of the clients support.
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-IM.
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 XMPP clients implementing XEP-0027 (standard XMPP 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: Voice clips are fully supported in the stable version, while the audio conference feature is available only in the development version.
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.
Note 21: Only for members of MobileMe
Note 22: GPG Encryption with Kryptonite plugin
Features 2
See also
- Comparison of Internet Relay Chat clients
- Comparison of LAN messengers
References
- ^
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