Just like Whatsapp but from your Mac's desktop
Add fun Snapchat filters to your Mac camera
Unofficial desktop client for Facebook chat
End-to-end encrypted communication
iOS's iMessage now also on Mac OS
Share files and chat with friends safely
A traditional chat with group videoconferencing
Open Source alternative to chat with MSN contacts
A single program for all your IM accounts
Chat with friends on this multiplatform messaging client
Multiplatform IM client
Chat with your Yahoo and MSN Messenger contacts
An IM combo born of Mozilla and Pidgin
Talk to all of your MSN contact even with your Mac
Cooperative whiteboard and voice communication through Jabber
Add a bunch of improvements to iChat
AOL's instant messaging program
A Multiprotocol Instant Messenger client
A simple Jabber-based IM client
