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Wildfly logo.png
Wildfly16 HAL Management Console Screenshot.png
Original author(s)Marc Fleury
Developer(s)JBoss, Red Hat
Stable release
24.0.1.Final / July 27, 2021; 5 months ago (2021-07-27)[1]
Preview release
25.0.0.Beta1 / September 20, 2021; 4 months ago (2021-09-20)[1]
RepositoryWildFly Repository
Written inJava
Operating systemCross-platform
TypeApplication server

WildFly,[2] formerly known as JBoss AS, or simply JBoss, is an application server authored by JBoss, now developed by Red Hat. WildFly is written in Java and implements the Java Platform, Enterprise Edition (Java EE) specification. It runs on multiple platforms.

WildFly is free and open-source software, subject to the requirements of the GNU Lesser General Public License (LGPL), version 2.1.

On November 20, 2014, JBoss Application Server was renamed WildFly. The JBoss Community and other Red Hat JBoss products like JBoss Enterprise Application Platform were not renamed.[3]


In 1999, Marc Fleury started a free software project named EJB-OSS (stands for Enterprise Java Bean Open Source Software) implementing the EJB API from J2EE (Java 2 Enterprise Edition). Sun Microsystems asked the project to stop using the trademarked EJB within its name. EJB-OSS was then renamed to JBOSS, then JBoss later.[4]

Licensing and pricing[edit]

JBoss EAP itself is open source, but Red Hat charges to provide a support subscription for JBoss Enterprise Middleware. Before November 2010 JBoss was licensed as annual subscription in bundles of 4 and 32 CPU sockets. As of November 2010 the licensing changed and all cores on the system are now counted. The core bundles licensing is available for 2, 16, and 64 cores.

See also[edit]


  1. ^ a b "Downloads". WildFly. Retrieved 2021-09-22.
  2. ^ "JBoss Application Server has a new name..." Wildfly. Archived from the original on 2013-04-23. Retrieved 2013-04-23.
  3. ^ "Frequently Asked Questions". WildFly. Archived from the original on 2013-09-28. Retrieved 2013-04-23.
  4. ^ Jamae & Johnson 2010, p. 4.


External links[edit]