WeChat is recommended for individuals who need a comprehensive app for messaging, social networking, and payment services. It's particularly suited for those who frequently communicate with friends, family, or business contacts in China. Businesses can also benefit from WeChat's marketing and customer interaction capabilities.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Facebook Messenger - Facebook Messenger is a faster way to message.
Digsby - Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.
LINE - LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.