ooVoo

VoIP client to chat with your contacts

WalkieTalkie

Free Voip calls

PrettyMay

Increase Skype's options

PC 2 Phone

fonYou service for Windows

TeamSpeak

Speak and chat with your friends on the Internet

SkypeLogView

Find out all the data that Skype stores

KishKish SAM

A practical answering machine for Skype users

VoipWise

Very complete VoIP client

Jitsi Meet

App for making VoIP and video calls

DimScreen

Adjust your monitor's brightness

Classic Shell

Tricks and settings for the start menu and the explorer

iFree Skype Recorder

Comfortably record your Skype conversations

MicroSIP

A lightweight program to make phone calls

Vista Sidebar

Get hold of the Vista widgets on Windows XP

JustVoip

Make low cost phone calls thanks to VoIP technology

Pamela Skype

Conversation recorder and answering machine for Skype

Telefuel

Alternative Telegram client focused on productivity for PCs

WA Web Plus

An extension to use WhatsApp Web with more functions

Signal

Instant messaging and chat app that guarantees anonymity

WeChat

The Windows version of the popular Chinese messaging app

IMVU

Instant messaging and chats in 3D environments

WhatsApp Viewer

Tool to view WhatsApp chats on PC

WhatsApp Messenger

The official version of WhatsApp for Windows

Messenger for Desktop

Facebook Messenger on your Windows desktop

Facebook Messenger

Chat with your contacts from your desktop

Windows Live Messenger

The departed Messenger by Microsoft

WhatSender

Send multiple WhatsApp messages from your PC

Telegram Messenger

Telegram's desktop client for Windows

LINE

Instant messaging from your PC

QQ International

The messaging application to communicate at global level

imo

Talk to your friends from your PC