minikube implements a local Kubernetes cluster on macOS, Linux, and Windows. minikube's primary goals are to be the best tool for local Kubernetes application development and to support all Kubernetes features that fit.
The purpose of Components Contrib is to provide open, community driven reusable components for building distributed applications. These components are being used by the Dapr project, but are separate and decoupled from it.
Apache Apex is a unified platform for big data stream and batch processing. Use cases include ingestion, ETL, real-time analytics, alerts and real-time actions.