Acoustica

Edit your audio files with dozens of different tools

Kangas Sound Editor

Create your own music from scratch

Voicemeeter

Audio mixer that allows you to change your voice

ACID Xpress

The free version of one of the best sound editors around

Skype Voice Changer

Disguise your voice when using Skype

MP3Gain

Easily modify the gain of your MP3 files

Mp3Doctor

Enhance the sound of your audio files

PolderbitS Sound Recorder and Editor

Two practical and lightweight audio tools

AudioQuick Editor

Quickly learn to edit your audio files

Sofonesia MP3 Clipper and Joiner

Simple tool to cut and join MP3 files

MP3 Workshop

Work with your MP3 files

BestPractice

Change the tempo and tone of any song in real time

Sonic Visualiser

Inspect the contents of your audio files

WaveMax Audio Editor

Complete and appealing audio editor

Music Editor Free

Complete music editor that offers professional results

mp3DirectCut

A simple and efficient MP3 file editor

Wassapp

WhatsApp client for Windows

Franz

14 messaging services in 1

WhatsApp Recovery

Whatsapp recovery tool for iPhone and Android

WhatSender

Send multiple WhatsApp messages from your PC

Easy Message

Bring together all the messaging services you use in a single client

ThatsaPC

Chat on WhatsApp from Windows

Facebook Chat Desktop

Desktop client for Facebook chat

Signal

Instant messaging and chat app that guarantees anonymity

Google Talk

Speak to all your Google contacts

Messenger

Instant messaging application for Windows 7

Messenger Plus! Live

More functions and utilities for Windows Live Messenger

WhatsappTime

Alternative WhatsApp client for Windows

Messenger for Desktop

Facebook Messenger on your Windows desktop

QQ International

The messaging application to communicate at global level

Hangouts

Google's chat for Windows