GlassFish

GlassFish, developed by GlassFish, is a popular open-source application server for Java applications. It is widely used by developers for its ease of use and integration with other Java tools. With GlassFish, users can deploy and manage Java applications with minimal configuration and setup.

GlassFish offers a robust and secure environment for Java applications, with support for the latest Java EE specifications. It also provides a range of features including clustering, load balancing, and centralized administration.

Additionally, GlassFish has a large and active community that constantly strives to improve the application server through regular updates and bug fixes. Its flexibility and scalability make GlassFish a popular choice for developers looking for a reliable application server.