Popular social network Facebook, which also allows you to create flexible bots for your business.
KakaoTalk
KakaoTalk (카카오 톡) is a free mobile instant messaging application for smartphones. Allows you to exchange text messages for free and make free calls.
Telegram
Popular social network Facebook, which also allows you to create flexible bots for your business.
WhatsApp
WhatsApp - a well-known instant messenger for use, has in its arsenal tools for creating bots.
Viber
Along with the other messengers and social networks, Viber provides the ability to create chat bots to perform various tasks.
Vkontakte
The social network Vkontakte better known as VK, has a powerful platform for creating internal applications, as well as bots for various purposes, such as: monitoring, analysis, entertainment.