Red Hat, Inc. is an American multinational software company providing open-source software products to the enterprise community. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North Carolina, with other offices worldwide.
Java Enterprise Edition, formerly Java 2 Platform, Enterprise Edition (J2EE), currently Jakarta EE, is a set of specifications, extending Java SE 8 with specifications for enterprise features such as distributed computing and web services. Java EE applications are run on reference runtimes, that can be microservices or application servers, which handle transactions, security, scalability, concurrency and management of the components it is deploying.
An application server is a software framework that provides both facilities to create web applications and a server environment to run them.
A web container is the component of a web server that interacts with Java servlets. A web container is responsible for managing the lifecycle of servlets, mapping a URL to a particular servlet and ensuring that the URL requester has the correct access-rights.
Hibernate ORM is an object-relational mapping tool for the Java programming language. It provides a framework for mapping an object-oriented domain model to a relational database. Hibernate handles object-relational impedance mismatch problems by replacing direct, persistent database accesses with high-level object handling functions.
Apache Geronimo is an open source application server developed by the Apache Software Foundation and distributed under the Apache license.
EAR is a file format used by Java EE for packaging one or more modules into a single archive so that the deployment of the various modules onto an application server happens simultaneously and coherently. It also contains XML files called deployment descriptors which describe how to deploy the modules.
JBoss Messaging is the JBoss enterprise asynchronous messaging system. It supersedes JBoss MQ as the default Java Message Service (JMS) provider in JBoss Application Server 5.
Drools is a business rule management system (BRMS) with a forward and backward chaining inference based rules engine, more correctly known as a production rule system, using an enhanced implementation of the Rete algorithm.
Metro is an opensource web service stack that is a part of the GlassFish project, though it can also be used in a stand-alone configuration. Components of metro include JAXB RI, JAX-WS RI, SAAJ RI, StAX and WSIT. It is available under the CDDL and GPLv2
Seam was a web application framework developed by JBoss, a division of Red Hat.
JBoss Tools is a set of Eclipse plugins and features designed to help JBoss and JavaEE developers develop applications. It is an umbrella project for the JBoss developed plugins that will make it into JBoss Developer Studio.
JBoss Developer Studio (JBDS) is a development environment created and currently developed by JBoss and Exadel.
JBoss Operations Network is free software/open-source Java EE-based network management software. JBoss Operations Network is part of the JBoss Enterprise Middleware portfolio of software. JBoss ON is an administration and management platform for the development, testing, deployment, and monitoring of the application lifecycle. Because it is Java-based, the JBoss application server operates cross-platform: usable on any operating system that supports Java. JBoss ON was developed by JBoss, now a division of Red Hat.
The JBoss Enterprise SOA Platform is free software/open-source Java EE-based service-oriented architecture (SOA) software. The JBoss Enterprise SOA Platform is part of the JBoss Enterprise Middleware portfolio of software. The JBoss Enterprise SOA Platform enables enterprises to integrate services, handle business events, and automate business processes, linking IT resources, data, services and applications. Because it is Java-based, the JBoss application server operates cross-platform: usable on any operating system that supports Java. The JBoss SOA Platform was developed by JBoss, now a division of Red Hat.
The JBoss Enterprise Application Platform is a subscription-based/open-source Java EE-based application server runtime platform used for building, deploying, and hosting highly-transactional Java applications and services. The JBoss Enterprise Application Platform is part of the JBoss Enterprise Middleware portfolio of software. Because it is Java-based, the JBoss application server operates across platforms; it is usable on any operating system that supports Java. The JBoss Enterprise Application Platform was developed by JBoss, now a division of Red Hat, now a division of IBM.
WildFly, 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 specification. It runs on multiple platforms.
Keycloak is an open source software product to allow single sign-on with Identity Management and Access Management aimed at modern applications and services. As of March 2018 this JBoss community project is under the stewardship of Red Hat who use it as the upstream project for their RH-SSO product. From a conceptual perspective the tool's intent is to make it easy to secure applications and services with little to no coding.
