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

Service - Customer service issues solved for you, on demand, for free.

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

AirHelp - Get paid when you're delayed!

Zoho Desk - Industry's first context-aware Helpdesk Software

CashBackAir Bot - Chatbot gets compensations in case of a flight delay