Pivotal - Pivotal Software provides enterprise PaaS-based solutions.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
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.
ContainIQ - Kubernetes native monitoring instantly
Healthy Servers - Making server monitoring easy
Instatus - Quick and beautiful status pages.