Teamspeak

Create your own private servers on TeamSpeak

Send and receive messages while on the computer and not just a mobile device

One of the oldest running messenger apps still in existence today, this platform facilitates text-based conversation

Chat with one or more people with messages synced to other devices

Free and simple messaging app for Mac with a strong focus on privacy and security

Check out your feed and send out tweets without even having to open a browser window

A feature-packed instant messaging client from a well-known email provider