Top Java Frameworks & Libraries for messaging

High Performance Inter-Thread Messaging Library

Apache Pulsar - distributed pub-sub messaging system

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter...

Android library. Flexible components for chat UI implementation with flexible possibilities for styling, customizing and data management. Made by Stfalcon...

Actor Messaging platform

An elegant way to show your menu or messages.

Apache Kafka running on Kubernetes

Micro second messaging that stores everything to disk

Simple Binary Encoding (SBE) - High Performance Message Codec

A little animation framework which could help you to show message in a nice looking way