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.
Mendix - Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.
tsuru - Tsuru is an extensible and open source Platform as a Service software.
OutSystems - Build Enterprise-Grade Apps Fast.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.