Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
HTMLEmail.io - Responsive HTML email templates for startups & developers
Deployment.io - Deployment.io makes it super easy for startups and agile engineering teams to automate application deployments on AWS cloud.
Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
8base - Rethink development using 8base's low-code development platform.
MJML - The open source framework for responsive emails