The fastest way to share a moment!
WhatsApp Messenger is a freeware, cross-platform messaging and Voice over IP service (owned by Facebook).
QQ offers services that provide online social games, music, shopping, microblogging, movies, and group and voice chat software.
WeChat is a lifestyle for over one billion users across the world.
Qzone is a social networking website which allows users to write blogs, keep diaries, send photos, listen to music, and watch videos.