Communication

Free

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

Free

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

Free

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

Free

A tool for launching your Blackboard Collaborate web conferencing sessions.

Free

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

Free

Access WhatsApp web application from Windows desktop.

Free

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.

Free

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

Free

Client for making VoIP (voice over IP) calls.

Free

With VoipDiscount you can make free calls over the internet.

Free

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.

Free

Email program with many useful features and a pleasant interface.

Free

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.

Free

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

Start, schedule, and join WebEx Meetings sessions.

Free

Voice and video chatting application.

Free

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

Free

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

Free

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

Free

Sends your Nike data from your device to your Nikeplus.com account.

Free

Migrate email, contacts and calendar data from Microsoft Outlook to Google Apps.