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@@ -101,7 +101,6 @@ _Source:_ [What is Docker](https://www.docker.com/why-docker)
 - [Katacoda](https://www.katacoda.com/courses/docker): Learn Docker using Interactive Browser-Based Labs
 - [Learn Docker](https://github.com/dwyl/learn-docker): step-by-step tutorial and more resources (video, articles, cheat sheets) by [@dwyl](https://github.com/dwyl)
 - [Play With Docker](https://training.play-with-docker.com/): PWD is a great way to get started with Docker from beginner to advanced users. Docker runs directly in your browser.
-- [Play With Moby](http://play-with-moby.com/): PWM is a web based Moby playground which allows you to try different components of the platform in seconds. It gives you the experience of having a free Alpine Linux Virtual Machine in the cloud where you can build and run Moby projects and even create clusters to experiment.
 - [Practical Introduction to Container Terminology](https://developers.redhat.com/blog/2018/02/22/container-terminology-practical-introduction/) The landscape for container technologies is larger than just docker. Without a good handle on the terminology, It can be difficult to grasp the key differences between docker and (pick your favorites, CRI-O, rkt, lxc/lxd) or understand what the Open Container Initiative is doing to standardize container technology.
 
 **Cheatsheets** by
@@ -473,7 +472,6 @@ Services to securely store your Docker images.
 - [Docker Hub](https://hub.docker.com/) provided by Docker Inc.
 - [Docker Registry v2][distribution] - The Docker toolset to pack, ship, store, and deliver content
 - [Docket](https://github.com/netvarun/docket) - Custom docker registry that allows for lightning fast deploys through bittorrent by [@netvarun](https://github.com/netvarun/)
-- [Europa :heavy_dollar_sign:](https://github.com/puppetlabs/europa) - Private docker registry with support for image pipelines and webhooks. By [@puppetlabs](https://github.com/puppetlabs)
 - [GCE Container Registry :heavy_dollar_sign:](https://cloud.google.com/container-registry/) Fast, private Docker image storage on Google Cloud Platform
 - [GitLab Container Registry](https://docs.gitlab.com/ce/user/project/container_registry.html) - Repositories focused on using it images in GitLab CI
 - [Harbor](https://github.com/goharbor/harbor) An open source trusted cloud native registry project that stores, signs, and scans content. Supports replication, user management, access control and activity auditing. By [CNCF](Sandbox) formerly [VMWare](https://github.com/vmware)