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.
Platypus - Realtime server monitoring and reporting
Healthy Servers - Making server monitoring easy
Simple Analytics - The privacy-first Google Analytics alternative located in Europe.