See also:

• Computers: Internet: Chat: Instant Messaging  (218)
• Computers: Software: Internet: Servers: Chat: Instant Messaging  (14)

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• ActivePager - An instant messenger for local area networks enabling you to talk in real time to anybody on the same computer network. Offers Answering Machine, and Templates and Blacklist.
• AniazPOPUP - Expands the concept of Windows messaging from the droplet created by winpopup to a new level.
• Bantu - Offers a web-based solution to instant messaging that lets you talk to people with the AOL, MSN, YAHOO, and ICQ messangers.
• BattleCom - A program that allows you to talk instead of type, a new way of chatting.
• BigBlueBall.com - Instant messaging tutorials, reference, news and forums for AIM, MSN, Yahoo, ICQ, Trillian and other products.
• Centericq - A text mode menu and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, MSN, and IRC protocols and has many other useful features.
• Easy Message - Free all in one instant messenger, including support for MSN Messenger, Yahoo Messenger, AOL Messenger, and ICQ Messenger.
• EMSN Messenger - EMSN is a PHP-Messaging System.
• Endogy - Endogy provides Instant Messaging software and consulting services for the improvement of team workflow.
• FunPidgin - A fork of the pigin IM client, whose developers aims to be more responsive to the views and wishes of users. Project information, feature list, and download.
• Gtkmsn - A MSN protocol based client. Includes download section and screenshots.
• komunikator tlenplus - An extended Tlen client with emotes,skins, and plugins.
• Kopete - Linux based, KDE specific, it is a flexible and extendable multiple protocol instant messenger.
• Meca Messenger - Multi protocol Instant messenger with: multimedia integration, skins, SMS capabilities, logs, email viewing and offline messages.
• Miranda Instant Messenger - A modular open-source multi-protocol instant messenger for Windows that maintains a database of community developed plug-in's that add functionality.
• OMS Online Messenger Service, SOAP Webservice - A webservice for creating one's own messenger client. Included is a webbased version of OMS.
• OUGO Messenger - A Windows Messenger.
• Pidgin - An instant messaging client, which can handle multiple protocols, including AIM, ICQ, IRC, MSN, Yahoo!, Jabber, and Gadu-Gadu. [Windows, Unix]
• PowWow Messenger - A multi-functional instant messenger program. Including: Chat, Text to Speech engine, games, guestbook, and whitepages.
• P2P Messenger .NET - A secure Instant Messaging client, working by Peer-to-Peer technology. It is fully decentralized and does not require any servers. Supports public-key cryptography. Requires installing .NET-Frameworks.
• Rediff Bol - Allows user to chat, check mail, and search the web.
• Trillian - A chat client for Windows that allows you to simultaneously connect to AIM, ICQ, IRC, MSN and Yahoo! Messenger.
• VSL LanToucher - Instant messaging software solutions for business and home text communications across private networks.
• Winpopup LAN Messenger - A full-featured server-less instant messenger for Local Area Networks.
• WinPopup.com - Windows popup messenger. Has the ability to transfer emoticons, and links.