Google App Engine vs Kontena: What are the differences?

Google App Engine: Build web applications on the same scalable systems that power Google applications. Google has a reputation for highly reliable, high performance infrastructure. With App Engine you can take advantage of the 10 years of knowledge Google has in running massively scalable, performance driven systems. App Engine applications are easy to build, easy to maintain, and easy to scale as your traffic and data storage needs grow; Kontena: Docker Container Orchestration Platform Written in Ruby. Kontena is an open source container orchestration tool that makes it easy to deploy and manage containerized applications on your own servers.

Google App Engine and Kontena can be categorized as "Platform as a Service" tools.

Some of the features offered by Google App Engine are:

• Zero to sixty: Scale your app automatically without worrying about managing machines.
• Supercharged APIs: Supercharge your app with services such as Task Queue, XMPP, and Cloud SQL, all powered by the same infrastructure that powers the Google services you use every day.
• You're in control: Manage your application with a simple, web-based dashboard allowing you to customize your app's performance.

On the other hand, Kontena provides the following key features:

• Automatic Node Discovery
• Mixed Infrastructure Support
• Service Abstraction

Kontena is an open source tool with 1.44K GitHub stars and 117 GitHub forks. Here's a link to Kontena's open source repository on GitHub.