Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Nanobox - The ideal platform for developers. Focus on code, not config.
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.