Distributed reliable key-value store for the most critical data of a distributed system

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

Use Prometheus to monitor Kubernetes and applications running on Kubernetes

SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding.

Altinity Kubernetes Operator for ClickHouse creates, configures and manages ClickHouse® clusters running on Kubernetes

External Secrets Operator reads information from a third-party service like AWS Secrets Manager and automatically injects the values as Kubernetes Secrets.

Apache Kafka® running on Kubernetes

Progressive delivery Kubernetes operator (Canary, A/B Testing and Blue/Green deployments)

Postgres operator creates and manages PostgreSQL clusters running in Kubernetes

Production PostgreSQL for Kubernetes, from high availability Postgres clusters to full-scale database-as-a-service.

Kubernetes operator for managing the lifecycle of Apache Spark applications on Kubernetes.

KubeBlocks is a Kubernetes Operator designed to manage a variety of databases and streaming systems, including MySQL, PostgreSQL, MongoDB, Redis, RabbitMQ, RocketMQ, and more, within Kubernetes environments.