AWS Cloud9 - AWS Cloud9 is a cloud-based integrated development environment (IDE) that lets you write, run, and debug your code with just a browser.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Koding - A new way for developers to work.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.
Google Cloud Functions - A serverless platform for building event-based microservices.