Apache Pulsar is an open-source, distributed messaging and streaming platform built for the cloud.

Apache Pulsar

Oxia is a scalable metadata store and coordination system that can be used as the core infrastructure to build large scale distributed systems.

Oxia

The Prometheus Operator provides Kubernetes native deployment and management of Prometheus and related monitoring components. The purpose of this project is to simplify and automate the configuration of a Prometheus based monitoring stack for Kubernetes clusters.