// Workers AI · dad joke modeWhat did Open Message Queue say? "You're queued up to receive my message, it's open season.

Not to be confused with OpenAMQ, an open-source implementation of AMQP.

Open Message Queue
Original author	Sun Microsystems
Developer	Eclipse Foundation
Stable release	6.6.0 / May 29, 2025 (2025-05-29)
Written in	Java
Operating system	Cross-platform
Type	Java Message Service Message-oriented middleware Enterprise messaging system SOA
License	Eclipse Public License 2.0, GPL linking exception
Website	https://projects.eclipse.org/projects/ee4j.openmq
Repository	github.com/eclipse-ee4j/openmq

Open Message Queue (OpenMQ or Open MQ) is an open-source message-oriented middleware project by Eclipse Foundation that implements the Java Message Service 3.1 API (JMS). It is the default JMS provider integrated into GlassFish.

In addition to support for the JMS API, OpenMQ provides additional enterprise features including clustering for scalability and high availability, a C API, and a full JMX administration API. It also includes an implementation of the Jakarta Connectors called the JMSRA, that allows OpenMQ to be used by a Jakarta EE compliant application server.

See also

• Message-oriented middleware