Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

M - A personal assistant built inside Facebook Messenger

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Operator - Looking for something? Make a request and we'll find it.

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

Magic - Get whatever you want on demand with no hassle, through SMS