yahoo messenger

Open-source Facebook Messenger app.

Messaging app for VK.

Yahoo widget version for free visual voicemail.

Secure instant messenger.

123 Web Messenger is a real-time instant messaging software for your own website

LAN Messenger for Small, Medium and Corporate Enterprises.

LAN instant messaging.

Chat with your Facebook friends on your Mac.

MSN chat client.

Jabber/XMPP chat client.