Free
Odigo
Odigo: A Free Windows Chat Application
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One of the best scripts for mIRC
Simplify and enhance dial up networking and remote access services
Send photos to multimedia mobile phones from your PC
MySpace Notifier: Stay Connected with Timely Notifications
Recover passwords for several different IM clients
Java IRC client for multiple platforms
Free Instant Messaging App for Windows
Efficient instant messaging with encryption
Free and anonymous instant messaging service
Yahoo Amp: Winamp Song Display for Yahoo Messenger
Send SMS and MMS messages
Use Your Windows 10 PC to Send/Receive Text Messages