elebase - Have a fully operational back end, in less than an hour.
runScrum.io - For you developed by agile experts: The first ALL-IN-ONE scaled agile project management tools for SharePoint. Test now for free!
Dark Language - Holistic language, editor, and infra for building backends
Webscript.io - Webscript.io is a website that hosts LUA scripts that you can invoke from the web.
AWS Lambda - Automatic, event-driven compute service
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.