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Wildfly logo.png
Original author(s)Marc Fleury
Developer(s)JBoss Red Hat
Stable release
14.0.1 / September 5, 2018 (2018-09-05)
Repository Edit this at Wikidata
Written inJava
Operating systemCross-platform
TypeApplication server
LicenseGNU Lesser General Public License

WildFly,[1] 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 20 November 2014, JBoss Application Server was renamed WildFly. The JBoss Community and other Red Hat JBoss products like JBoss Enterprise Application Platform were not renamed.[2]


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.[3]

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 16 and 64 cores.[4]

See also[edit]


  1. ^ "JBoss Application Server has a new name... WildFly". Wildfly. Archived from the original on 2013-04-23. Retrieved 2013-04-23.
  2. ^ "Frequently Asked Questions". WildFly. Archived from the original on 2013-09-28. Retrieved 2013-04-23.
  3. ^ Jamae & Johnson 2010, p. 4.
  4. ^ "JBOSS NA Channel SKUs: Production Subscription SKUs". Red Hat. Archived from the original on 2011-08-29.


  • Stancapiano, Luca (June 20, 2017). "Mastering Java EE Development with WildFly". Packt. 468 pp.
  • Marchioni, Francesco (January 2, 2014). "WildFly 8 Administration guide". ItBuzzPress. 255 pp.
  • Marrs, Tom; Davis, Scott (July 1, 2009). "JBoss At Work: A Practical Guide". O'Reilly. ISBN 0596007345. 306 pp.
  • Jamae, Javid; Johnson, Peter (January 28, 2010) [2009-01-20]. "1.1 Introducing JBoss". JBoss in Action: Configuring the JBoss Application Server. Manning Publications. ISBN 978-1-933988-02-3. 496 pp.
  • Stark, Scott; Fleury, Marc; Richards, Norman (April 30, 2005). "JBoss 4.0 The Official Guide". Sams. ISBN 978-0-67232648-6. 648 pp.

External links[edit]