Fabric8 Kubernetes Client has been available as a Java client for Kubernetes since 2015, and today is one of the most popular client libraries for Kubernetes (the most popular is client-go, which is the client library for the Go programming language on Kubernetes). In recent years, fabric8 has evolved from a Java client for the Kubernetes REST API to a full-fledged alternative to the kubectl command-line tool for Java-based development.
Fabric8.io Microservices Development Platform It is an open source microservices platform based on Docker, Kubernetes and Jenkins. It is built by the Red Hat guys.The purpose of the project is to make it easy to create microservices, build, test and deploy them via Continuous Delivery pipelines then run and manage them with Continuous Improvement and ChatOps. Fabric8 installs and configures the following things for you automatically: Jenkins, Gogs, Fabric8 registry, Nexus, SonarQube.
javaoperatorsdk.io: Build Kubernetes Operators in Java without hassle Whether you want to build applications that operate themselves or provision infrastructure from Java code, Kubernetes Operators are the way to go. This SDK will make it easy for Java developers to embrace this new way of automation. The java-operator-sdk is based on the fabric8 Kubernetes client.