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Best Eclipse GlassFish Alternatives ranked by AI · updated Aug 2026

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Eclipse GlassFish is an open-source Jakarta EE application server and a reference implementation for the Jakarta EE platform. It is useful for standards-compliant enterprise Java development, testing, and deployments that need a full Jakarta EE runtime.

Developer: Eclipse Foundation Price: Free 🎯 glassfish.org
🔓 Open Source 🖥️ Application Server Java enterprise jakarta ee

Top 6 Eclipse GlassFish alternatives

1 WildFly logo

WildFly

WildFly Community

WildFly is an open-source Jakarta EE application server for deploying enterprise Java applications and services. It provides transactions, messaging, security, clustering, and...

Pros

  • Strong free and open-source alternative for Java-based transactional services
  • Supports Jakarta EE, JTA transactions, messaging, security, and clustering
  • Lighter and more flexible than many commercial enterprise application servers

Cons

  • Does not provide direct XATMI or ATMI compatibility with Enduro/X
  • Requires Java and Jakarta EE development rather than native C or C++ services
  • Community support is less structured than Red Hat JBoss EAP support

Free

Alternatives to WildFly → Visit site
3 WAS logo

WAS

IBM

WebSphere Application Server is an enterprise Java application server for organizations running transactional, Jakarta EE, and hybrid-cloud workloads. It provides clustering, security,...

Pros

  • Strong clustering, transaction, and security features for enterprise workloads
  • Integrates closely with IBM Cloud, MQ, and broader IBM infrastructure
  • Mature tooling and support for complex production environments

Cons

  • More expensive than open-source Java application servers
  • Administration is heavier than with Tomcat or lightweight runtimes
  • Requires specialized expertise for tuning and troubleshooting

Custom quote

Alternatives to WAS → Visit site
4

Apache Tomcat

Apache Tomcat is an open-source Java servlet container that is lightweight and easy to use. It is ideal for simpler Java web...

Pros

  • Simple configuration and setup
  • Good for small to medium-sized projects

Cons

  • Limited support for Java EE features
  • Less suitable for complex enterprise applications

Free

Alternatives to Apache Tomcat →
5

Open Liberty

IBM

Open Liberty is a lightweight, open-source runtime for Jakarta EE and MicroProfile applications. It targets cloud-native and enterprise Java services with fast...

Pros

  • More cloud-native and lightweight than traditional enterprise application servers
  • Supports Jakarta EE, MicroProfile, transactions, messaging, and container deployments
  • Fast startup and modular configuration suit microservices

Cons

  • Java and Jakarta EE programming differ considerably from Enduro/X service development
  • Less suitable for direct migration of XATMI-based applications
  • Some advanced enterprise support requires IBM commercial offerings

Free; commercial support available

Alternatives to Open Liberty → Visit site
6

Oracle WebLogic Server

Oracle

Oracle WebLogic Server is an enterprise Java application server for mission-critical applications and Jakarta EE workloads. It stands out through deep integration...

Pros

  • Comparable enterprise clustering, security, and transaction capabilities
  • Strong fit for Oracle Database and Oracle Fusion Middleware environments
  • Mature tooling for large production estates

Cons

  • Licensing can be expensive and complex
  • Heavier operational footprint than WildFly or Tomcat
  • Oracle-centric integrations are less useful outside Oracle environments

Custom quote

Alternatives to Oracle WebLogic Se... → Visit site

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