Crisp is a free live chat platform for interacting with customers via Crisp Live Chat, email, messenger, Twitter, & SMS, with tools for personalized campaigns.
Google Cloud DNS is a high-performance, resilient, global DNS service that provides a cost-effective way to make applications and services available to users.
Mandrill is a scalable and affordable email infrastructure service, with all the marketing friendly analytics tools they come to expect from MailChimp.