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.
WhatsApp for web is a platform independent messaging app which allows you to communicate for free.
Store and sync your email, calendar, contacts, files and documents in the cloud - yet have them locally accessible and aggregate information across accounts like Yahoo! Mail, Gmail, Hotmail and social networks like Facebook and Twitter
Call anywhere in the US and Canada for free and get low rates for other countries with this small plug-in, right from within Gmail.
AresGalaxy is a Filesharing Bittorrent P2P client that works even behind firewalls.
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.
Lightweight, customizable mail client
Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety.