Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.
RabbitMQ - RabbitMQ is an open source message broker software.
AWS Organizations - AWS Organizations from Amazon Web Services (AWS)
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.
Yathit - Yathit Extension is a sales email platform that integrates SugarCrm with Gmail
ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.