Communication

You can optimize the Video and Voice over the Internet (VOIP) experience.

Chat with your Facebook friends right from your desktop.

Chat, call, and share files/emoticons/stickers with your friends.

Bringing together your devices, friends, and the things you care about

Change the settings of the integrated camera, microphone, and audio functions.

A tool for launching your Blackboard Collaborate web conferencing sessions.

It is an unofficial client of Whatsapp built on the base of Pidgin Messenger.

Access WhatsApp web application from Windows desktop.

This program lets you send and receive WhatsApp messages on your Windows PC.

Extract e-mail addresses from all kinds of text sources like your local files.

Chat with your friends individually or in a group, and share files.

Client for making VoIP (voice over IP) calls.

With VoipDiscount you can make free calls over the internet.

It allows you to send bulk e-mails to thousands of recipients very easily.

Secure desktop email client for Windows, built to protect your correspondence.

Email program with many useful features and a pleasant interface.

It lets you make calls directly from your computer in a fast and easy way.

Make phone calls and transfer faxes from your PC with this program.

Outlook Connector is part of Windows Live Essentials.

It's an instant messenger that lets you send free text messages to mobile users

Start, schedule, and join WebEx Meetings sessions.

Voice and video chatting application.

xobni integrates as a sidebar from which the user can search the email accounts

Meet and chat with people in a 3D virtual world with customizable avatar.

With this program you can set up a meeting in your WebEx account.