Google Talk
Call or send instant messages. Google Talk has been replaced by Google Hangouts as an add-on for the Chrome browser, but it's still available here for download.
Share photos, videos, music, files, documents and more between all of your devices. File sharing from phone to PC, phone to phone, PC to phone, PC to tablet.
WhatsApp for PC is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Lightweight, customizable mail client
Telegram is a messaging app with a focus on security and speed. Messages are heavily encrypted and can self-destruct. You can access your messages from multiple devices.
Open Broadcaster Software Studio is cross platform software intended for recording and streaming video from one or more sources, such as webcam, microphone, media files and the desktop.
Send text messages, voice messages, videos, documents, pictures or group messages and make free phone calls over an end-to-end encrypted connection to keep your communication absolutely safe.
µTorrent is an efficient BitTorrent client that is lightweight, and powerful. It offers fast downloads with automatic
bandwidth management.