1.0 Apache Kafka
Apache Kafka originated with LinkedIn and later became an open-sourced Apache platform in 2011. Kafka is a message queuing system and is written in Java and Scala, a distributed publish-subscribe messaging system that is designed to be fast, scalable, and durable.
2.0 Active MQ
Apache ActiveMQ is the most popular and powerful open source messaging and Integration Patterns server. It is an open source message broker written in Java together with a full Java Message Service (JMS) client https://goo.gl/pdSAMY #DataIntegration #ML
