Direct MP3 recorder

Record any sound that your speakers play

Internet Music Capture

Listen to the music that you listen to via Internet

Active Audio Record Component

Add sound recording functions to programs

All2WAV Recorder

Record very easily from any audio source

Encore

One of the best applications for music notation

Cool Record Edit

Maximize your audio recordings' quality

HiRecorder

Excellent audio streaming recorder

Sibelius

A musical notation program aimed at professionals

MuseScore

Versatile music notation application that's totally free

Arial Sound Recorder

A simple tool to record audio

Audio Record Wizard

Record any audio source in MP3, OGG or WAV

WO Mic

Turn your mobile into a mic for your PC

Virtual Audio Streaming

Install a virtual sound card on your computer

Free Audio Recorder

Record any sound from your PC

Free Sound Recorder

Record any audio input source in MP3, WMA or WAV

Apowersoft Free Audio Recorder

Record sounds with your PC

WhatsApp Messenger

The official version of WhatsApp for Windows

WeChat

The Windows version of the popular Chinese messaging app

WhatSender

Send multiple WhatsApp messages from your PC

IMVU

Instant messaging and chats in 3D environments

Facebook Messenger

Chat with your contacts from your desktop

Telegram Messenger

Telegram's desktop client for Windows

LINE

Instant messaging from your PC

Windows Live Messenger

The departed Messenger by Microsoft

WhatsApp Viewer

Tool to view WhatsApp chats on PC

Signal

Instant messaging and chat app that guarantees anonymity

QQ International

The messaging application to communicate at global level

imo

Talk to your friends from your PC

Telefuel

Alternative Telegram client focused on productivity for PCs

WA Web Plus

An extension to use WhatsApp Web with more functions

Messenger for Desktop

Facebook Messenger on your Windows desktop