Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Glue Loyalty - Glue is a fully automated-hands-free loyalty platfrom for small and local businesses who wants to grow more repeat business.
Crisp Chat - Multi-channel customer support software
Cakemail - Email marketing and transactional emails that deliver. Try it for FREE!
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Drift - A messaging app that helps you grow your business.