JDK1.7, C, C++, Java, Python, lisp, Ruby, COBOL, FORTRAN, Pascal, Fox pro, SQL, UML. MONITERING sun java SERVER FOR ALERTS halcyoninc GlassFish v3 'final' is set to be aligned with the upcoming Java EE 6 release. The other main new features are around modularity (GlassFish v3 Prelude shipped with an Apache Felix OSGi runtime), startup time (a few seconds), deploy-on-change (provided by NetBeans and Eclipse plugins), and session preservation across redeployments. In version 3, GlassFish adds new features to ease migration from Tomcat to GlassFish. On 21 January 2009 Sun Microsystems and the community released version GlassFish 2.1 (aka Sun GlassFish Enterprise Server 2.1) which serves as the basis for the Sailfin SIP AppServer project (aka Sun Communication Application Server).

On 17 September 2007 the GlassFish community released version 2 (aka Sun Java System Application Server 9.1) with full enterprise clustering capabilities, Microsoft-interoperable Web Services. Project SailFin aims to add Session Initiation Protocol (SIP) servlet functionality to GlassFish. On Project SailFin was announced at JavaOne as a sub-project under Project GlassFish.

On, Project GlassFish released the first version that supports the Java EE 5 specification. It uses a derivative of Apache Tomcat as the servlet container for serving Web content, with an added component called Grizzly which uses Java NIO for scalability and speed. GlassFish is based on source code donated by Sun and Oracle Corporation's TopLink persistence system. GlassFish is free software, dual-licensed under two free software licences: the Common Development and Distribution License (CDDL) and the GNU General Public License (GPL) with the classpath exception. The commercial version is called Sun GlassFish Enterprise Server. GlassFish is an open source application server project led by Sun Microsystems for the Java EE platform.

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