Similar to Apache_Kafka

HHVM

IcedTea

ImageJ

JEdit

Jetty (web server)

Jitsi

JRuby

Liferay

Apache Struts

Apache Wicket

Log4j

NetBeans

Apache OpenOffice

Apache Roller

LibreOffice

Enterprise application integration

IBM MQ

IBM WebSphere

SAP NetWeaver

Message-oriented middleware

Amazon Simple Queue Service

Celery (software)

Open-source software

List of open-source codecs