Docker Cloud allows IT Ops team to deploy & manage Dockerized applications, from single container apps to distributed microservices stacks to any infrastructure.
GitLab is a web-based Git-repository manager with wiki, issue-tracking and CI/CD pipeline features, using an open-source license, developed by GitLab Inc.
Ethereum is an open-source, blockchain-based public distributed computing platform and operating system they are used to codify, decentralize, secure and trade just about anything