MyProgs

Google Talk

IM and VOIP client by Google

tags: google im windows freeware

Digsby

IM, E-mail and Social Networks in one application!

tags: chat custom email im network social utility freeware crossplatform

Miranda IM

A multi protocol instant messenger client.

tags: im internet windows freeware yes

Pidgin Portable

tags: im portable freeware crossplatform

Pidgin

tags: im freeware crossplatform yes

Windows Live Messenger

Windows IM client

tags: im messenger windows freeware

QIP

QIP is an closed source computer program for immediate cross-Internet communication. The basic functionality of QIP enables its users to see who else is online and available and then easily contact them with text messages in real time sent thr

tags: icq im messenger windows freeware

pidgin

Multiprotocol chat client

tags: im net

Adium

A OSX IM client for all major IM networks: ICQ, MSN, Yahoo, Jabber, AIM etc

tags: client im freeware osx

AIM AOL Instant Messenger

Instant messenger for use with aol identities

tags: apps chat client im instant_messenger freeware crossplatform

Miranda IM

A multi protocol instant messenger client.

tags: chat im windows freeware opensource yes

Miranda IM

A multi protocol instant messenger client.

tags: im freeware yes

Trillian

A multi messenger chat program that also collects all the emails of your chat names in one place.

tags: aim chat im instant_messaging

Trillian Pro

Multi-protocol chat client for Windows with plugin support

tags: aim chat icq im internet irc messenger yahoo rendezvous

PJSIP SIP Stack

Open source, portable, small footprint SIP stack supporting presence, IM, media stack, etc.

tags: communication im media protocol simple sip telephony voice freeware opensource crossplatform yes presence stack