Communication › Instant Messaging & VoIP

Free

Instant Messenger program through Internet.

Free

LAN instant messaging application for Windows.

Free

Enables voice connections to landline, cellular network and VoIP.

Free

VoipCheapCOM brings voice communications to people all over the world.

Free

Freeware voice over IP client for Windows.

Free

Telephony client which allows you to make high-quality voice calls

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Program that brings high-quality voice communications to people.

Free

Easily communicate with people all around the world!

Free

With poivY you can make free calls over the internet to any of your friends.

Free

An eas- to-use IRC-client for Windows that supports DCC chat and file transfer.

3CX Phone System is a program that enables you to improve your communications.

P Office delivers the communications capabilities big businesses are used to.

Free

Instant messaging application that integrates Fax, SMS Mobile, VPN, and VoIP.

Free

Instant messenger to be used only on a private LAN.

Free

IBM Lotus Sametime Connect makes communicating and collaborating through a computer much more easy.

Free

A server that supports XMPP instant messaging services.

It allows you to send a text message to any cell phone.

It is a program that sends messages securely within your local network.

Free

Mercury offers a comprehensive range of tools for 3D structure visualization.

Manages and logs all your calls automatically, can dial directly out of Chrome.

Turn your computer into a fax modem and answering machine.

Real-time collaboration applications into one appliance.

Free

Connect with your computer and make calls through the iConnectHere VoIP network.

Free

A reliable and free program for recording a video chat on Yahoo Messenger.