GlassFish is an open-source application server project created by Sun Microsystems for the Java EE platform. It serves as a reference implementation for Jakarta EE (formerly Java EE) and supports various technologies like servlets, JSP, and EJB. GlassFish is known for its modular architecture, robust performance, and support for enterprise-level applications.

Features of GlassFish:

• Supports the full suite of Java EE specifications, including Jakarta Servlets, JSP, RESTful Web Services, and more.
• Provides robust tools and processes for deploying Java applications and web services.
• Offers a modular architecture powered by OSGi for flexible and scalable application development.
• Includes optional components for enhanced functionality, such as clustering and high availability.
• Ideal for development and testing environments due to its enterprise-ready features and Jakarta EE compatibility.

To Check the GlassFish version, run:

./glassfish7/bin/asadmin version

Disclaimer: GlassFish is an open-source tool distributed under the Apache License 2.0. It is not affiliated with, endorsed by, or sponsored by any company. GlassFish is provided "as is," without any warranty, express or implied. Users utilize this tool at their own risk. The developers and contributors to GlassFish hold no responsibility for any damages, losses, or consequences resulting from the use of this software. Users are advised to carefully review and comply with licensing terms and any applicable regulations while using GlassFish.