ActiveMQ
dataApache ActiveMQ is a popular open-source, multi-protocol message broker written in Java
Pronunciation
Correct
AK-tiv-em-kyoo
/ˈæktɪv ɛm kjuː/
Pronounced as 'Active' followed by the letters 'M' and 'Q' spelled out individually. This matches the Apache project's own branding and talks.
Source: activemq.apache.org(official spec)