Fishbowl

Use Facebook from your desktop without opening your browser

QuteCom

SIP softphone to speak and send free messages

Skype Portable

The portable version of the popular VoIP client

SoliCall

Reduce the background noise in voice conversation over the net

Zoom

Workplace Video Calling App

Extended Share for Google Plus

Share Google Plus publications on other services

Clownfish Voice Changer

Change your voice in real time

Skype

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

Zello

Send voice messages from your PC for free

Pin It On Pinterest

Allows readers to share your WordPress posts on Pinterest

2Peer

Share your files in your own private net through Internet

Tango

VoIP client for voice and video calls

Viber

Windows client of the chat and video call app

Social Monitor

Check how your children use Facebook

Foursquare

A social network to share places and locations

Spaz

Simple Twitter client

Messenger for Desktop

Facebook Messenger on your Windows desktop

imo

Talk to your friends from your PC

Hangouts

Google's chat for Windows

IMVU

Instant messaging and chats in 3D environments

Facebook Messenger

Chat with your contacts from your desktop

LINE

Instant messaging from your PC

QQ International

The messaging application to communicate at global level

Telegram Messenger

Telegram's desktop client for Windows

WhatSender

Send multiple WhatsApp messages from your PC

WhatsappTime

Alternative WhatsApp client for Windows

Telefuel

Alternative Telegram client focused on productivity for PCs

Signal

Instant messaging and chat app that guarantees anonymity

Windows Live Messenger

The departed Messenger by Microsoft

WhatsApp Viewer

Tool to view WhatsApp chats on PC

WA Web Plus

An extension to use WhatsApp Web with more functions