linebot &fbbot

http://huli.logdown.com/posts/709641-teaching-facebook-messenger-api

https://aswergbh888.github.io/2017/12/25/FB-Messenger-Bot-%E5%BB%BA%E7%BD%AE%E6%95%99%E5%AD%B8/

https://channel9.msdn.com/Shows/NET-Walker-5/NetLineBot