Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
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
Mycroft.AI - Mycroft is the world’s first open source assistant.
Zoho Desk - Industry's first context-aware Helpdesk Software
Google Assistant - Get things done with Google Assistant