Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page
Google Cloud Functions - A serverless platform for building event-based microservices.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.