Quarkus: Supersonic Subatomic Java.

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

A non-exhaustive list of open sourced clock faces, applications and modules from the community.

Generates test data for simple pojos

An Intuitive Event-Driven Reactive Programming Library for Java

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Java utilities for working with CompletionStages

RxJava 2/3 interop library for supporting Java 8 features such as Optional, Stream and CompletableFuture [discontinued]

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Open Source Identity and Access Management For Modern Applications and Services

The RadarGun benchmarking framework for data grids and distributed caches

Apache Kafka® running on Kubernetes

Cassandra Java Client

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.

Cassandra Java Client

The JGroups project

The JGroups project

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.