Yahoo Instant Messaging

Secure and encrypted email with integrated business class secure Instant Messaging. Collaborate on confidential projects, store your private files online in an encrypted vault. Works across networks and firewalls without a need for expensive VPN, PKI or complicated network setup,...

Cleartext ESM Desktop is a handy, simple, easy to use tool specially designed to offer you an Enterprise Instant Messaging, Group Chat and Real Time Microblogging with archiving, eDiscovery and content and URL filtering.

Psi is a free instant messaging application designed for the Jabber IM network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X. With Psi's full Unicode support and localizations, easy file transfers, customizable...


Platforms: Mac

Psi is a free instant messaging application designed for the Jabber IM network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X. With Psi's full Unicode support and localizations, easy file transfers, customizable...


Platforms: Linux

Psi is a free instant messaging application designed for the Jabber IM network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatible with Windows, Linux, and Mac OS X. With Psi's full Unicode support and localizations, easy file transfers, customizable...


Platforms: Windows

Psi is the premiere Instant Messaging application designed for Microsoft Windows, Apple Mac OS X and GNU/Linux. Built upon an open protocol named Jabber, Psi is a fast and lightweight messaging client that utilises the best in open source technologies. The goal of the Psi project is to create a...


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

Bopup IM Client Software Development Kit (SDK) is a toolkit for Windows platform that provides documentation, samples and COM components for building powerful instant messaging functionality into existing applications, creating and developing a chat messenger software based a client/server...


Platforms: Windows, Windows 8, Windows 7

Java swing based Zamanda is an instant messaging client software for single instance and distributed environment.


Platforms: Mac

Babble is an instant messaging service for Plone. It consists of babble.client as the Plone front-end client and babble.server, a Zope2-based messaging service, as the backend chat service.


Platforms: *nix

Friends are an instant away on Yahoo! Messenger for Mac Yahoo Messenger is a free service that allows you to see when friends come online and to send them instant messages. It also can alert you to new e-mail in your Yahoo Mail or Yahoo Personals accounts, or when you have upcoming events...


Platforms: Mac

IMGiant is a new instant messaging client that lets you unify all your screen names from AIM, MSN, Yahoo, ICQ, and IRC in one tabbed chat window. All your buddies from your screen names are stored and viewed in one Buddy List window so you can always keep in touch with your family, friends, and...


Platforms: Windows

Private Network Instant Messenger (PNIM) is an open source cross platform instant messaging program. It allows instant messaging without the need for a third party centralised server, such as MSN's. PNIM works across a LAN, or over The Internet.


Platforms: *nix

SamePlace Instant Messenger is an extensible instant messaging client based on the XMPP (Jabber) protocol. Accesses Jabber, GTalk, Twitter, MSN, AIM (and more, via gateways).


Platforms: *nix

Simkl Tray gives you easy access to Simkl IM History Viewer from your PC. Simkl allows you to consolidate all your IMs - ICQ, AIM, Yahoo, or MSN. Simkl is a Web application that collects all your instant messaging conversations into one convenient, searchable archive which can be accessed...


Platforms: Windows, Mac, *nix, Windows CE, Pocket PC

Tired of the needless hassle that comes with having four or more Instant Messaging clients running at one time, just so you can talk to your friends and family? Looking for a single application that will house all of these networks into one central location? Well, look no further! Introducing...


Platforms: Windows

Kopete is an instant messenger supporting AIM, ICQ, MSN, Yahoo, Jabber, IRC, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use. The goal of Kopete is to provide users with a single...


Platforms: *nix, C/C++, BSD

Off-the-Record Messaging is a Pidgin plugin that allows you to have private conversations over instant messaging by providing: Encryption No one else can read your instant messages. Authentication You are assured the correspondent is who you think it is. Deniability The messages you...


Platforms: *nix

BuddySpace is an instant messenger with four novel twists: (1) it allows optional maps for geographical & office-plan visualizations in addition to standard buddy lists; (2) it is built on open source Jabber, which makes it interoperable with ICQ, MSN, Yahoo and others; (3) it is implemented in...


Platforms: *nix

Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS X's Cocoa API, released under the GNU GPL and developed by the Adium team Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any combination of...


Platforms: Mac

compact, portable instant messaging Miranda IM Portable is the popular Miranda IM packaged as a portable app, so you can take your instant messaging client on the go. Miranda IM is a multi-protocol instant messaging client for Windows. Very light on system resources and extremely fast,...


Platforms: Windows, Linux