Zello

Send voice messages from your PC for free

Foursquare

A social network to share places and locations

Tango

VoIP client for voice and video calls

Zoom

Workplace Video Calling App

Spaz

Simple Twitter client

Clownfish Voice Changer

Change your voice in real time

Viber

Windows client of the chat and video call app

Fishbowl

Use Facebook from your desktop without opening your browser

Social Monitor

Check how your children use Facebook

Extended Share for Google Plus

Share Google Plus publications on other services

SoliCall

Reduce the background noise in voice conversation over the net

Skype Portable

The portable version of the popular VoIP client

QuteCom

SIP softphone to speak and send free messages

Skype

Text messages, calls and video calls to and from phones and PCs

Pin It On Pinterest

Allows readers to share your WordPress posts on Pinterest

2Peer

Share your files in your own private net through Internet

Yahoo Mail

Access to your Yahoo email account

Outlook Connector

Use your Hotmail accounts straight from Outlook

Turbo Mailer

Send mass emails

Spark

Complete mail client compatible with different services

Microsoft Outlook

Microsoft's email client

Thunderbird Portable

Use this email manager on any PC with a USB port

Free Email Extractor

Easily gather email addresses

IncrediMail

Customize your email's appearance and give your friends a surprise

Windows Live Mail

Microsoft's multi-account email client

Stellar Converter for OST

Convert your Outlook emails to PST format

Mailspring

Mail client to boost user productivity

Zimbra Desktop

Manage all your accounts from the same application

Mail Bomber

One of the best massive email delivery programs

Mail, Calendar, and People

Plan your day and keep in touch

Inky

Receive all your emails in a single client