Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Chat Widget from ChatBot - Place your bot on your website and let it chat with clients
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Response Manager - Manage duplicated form responses easily
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Google form bots - Convert Google Form into chatbot in 1 click