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.
Mobile messenger app with free voice & video call over 3G/4G & Wi-Fi.
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.
µTorrent is an efficient BitTorrent client that is lightweight, and powerful. It offers fast downloads with automatic
bandwidth management.
All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
Slack simplifies business communication. It brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.
Lightweight, customizable mail client
eM Client is a free email client, calender, contact manager & instant messaging application with Gmail synchronization. It has a fresh, minimalist design that will be appreciated by many.