Vengito (alias Needed Special Tools)
Commercial
Secure messaging with private\public keys.
Password Unlocker, Inc.
Shareware
With this tool you can recover credentials for your MSN, GoogleTalk and AOL.
6
Matt Holwood
224
Freeware
FacebookDiscovery makes it easy for you to talk with your Facebook friends.
13
America Online, Inc.
538
Freeware
AOL Instant Messenger supports instant messaging and file sharing on Windows.
BestWebSharing
22
Freeware
One Instant Messenger is an adaptable multi protocol instant messenger client.
5
Elephatitus Corp
3
Freeware
Easy Message - The ultra-lite instant messenger for MSN, AOL, ICQ, and Yahoo.
2
Instant RAM Booster
62
Shareware
Instant RAM Booster is a very powerful and effective memory management program.
78
Zemerick Software, Inc.
3
Freeware
IMAware is a program for Windows to quickly scan for instant messaging programs.
41
Hammer & Chisel
603,060
Freeware
An interesting option to instant messaging programs with a fresher look.
46
S-IMCO, Inc.
4
S-IMCO's secure enterprise instant messaging system for corporate messaging.
9
WebEx
132
Freeware
AIM Pro is a business instant messaging service to send secure instant messages.
1
Erlang Software
3,937
Open source
Create instant messaging, e-comerce, and telecomunication applications.
16
IOn
1,270
Freeware
BORGChat is a LAN instant messaging application for Windows.
22
ICQ Ltd.
624
Freeware
ICQ Lite is a windows instant messaging software similar with other messengers.
Jabber, Inc.
Commercial
Jabber simplifies enterprise instant messaging offering all required technology.