Chat Tools Software For Mac

Send messages and make calls for free to other Viber users.

Instant messaging server.

Lightweight IRC client.

CU-SeeMe video conferencing app.

Voice communications tool primarily intended for use while gaming.

Search your Messages chat history with ease.

Simple LAN chatrooms.

Chat using this RubyCocoa IRC client.

Encrypt instant messages with Open-Source security.

Popular instant messaging client supports a plethora of services.

Unofficial port of torchat.

Chat with your Facebook friends on your Mac (was Facebook Messenger).

Chat with your Facebook friends on your Mac.

Audio and video chat solution.

Lightweight IRC chat client.

Secure instant messenger.

Virtual office software.

SIP and IAX/IAX2 software phone.

Extensive Twitter client.

Jabber chat client.

Push to talk voice chat.

Internal messaging system.

Chat client that supports a multitude of services.

Visual chat client for The Palace.

a Twitter search client

A full-featured free Twitter app for your Mac

Luscious SMS provides you the ability to send SMS

A minimal (and elegant) Twitter client

Waveboard is a client software for Google Wave

Easily post to and read from your Twitter.com feed.

Optimized Twitter client for Mac

Twitter client with a real OS X look and feel.