JPGasPDF

An easy and quick way to create PDF files

PaperScan

Improve your scanning quality

Bullzip PDF Printer

Easily create PDFs by simulating that you are printing a document

My PDF Converter

Convert documents into PDF format

CleverPDF

A complete suite of tools to work with PDF files

Briss

Cut PDF documents to view them on your eBook

Simpo PDF Password Remover

Easily remove passwords from PDF files

First PDF

PDF file converter

PDF Studio

Complete PDF document editor

Evince

A brilliant open source PDF and PostScript viewer

PrimoPDF

Transform text documents into PDF files

SumatraPDF

One of the lightest PDF document viewers

Flipping PDF Reader

A PDF viewer with flip page effects

Cometdocs

Simple file converter

Wide Angle PDF Converter

Converter from PDF to Word and other formats

Corel PDF Fusion

Create and edit PDF documents with this complete tool by Corel

Telefuel

Alternative Telegram client focused on productivity for PCs

WhatsApp Viewer

Tool to view WhatsApp chats on PC

WA Web Plus

An extension to use WhatsApp Web with more functions

Facebook Messenger

Chat with your contacts from your desktop

Telegram Messenger

Telegram's desktop client for Windows

Signal

Instant messaging and chat app that guarantees anonymity

Messenger for Desktop

Facebook Messenger on your Windows desktop

imo

Talk to your friends from your PC

QQ International

The messaging application to communicate at global level

IMVU

Instant messaging and chats in 3D environments

WeChat

The Windows version of the popular Chinese messaging app

LINE

Instant messaging from your PC

WhatSender

Send multiple WhatsApp messages from your PC

WhatsApp Messenger

The official version of WhatsApp for Windows

Windows Live Messenger

The departed Messenger by Microsoft