Line
Mobile messenger app with free voice & video call over 3G/4G & Wi-Fi.
Stay in touch with your friends, whenever and wherever you are. Use LINE on your smartphone while on the move, or from your desktop (Windows, Mac OS X) while in the office or at home.
Slack simplifies business communication. It brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.
µTorrent is an efficient BitTorrent client that is lightweight, and powerful. It offers fast downloads with automatic
bandwidth management.
WhatsApp for PC is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
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.
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.
Lightweight, customizable mail client
OnionShare lets you securely and anonymously share a file of any size, without any third party involved.