Grails is a powerful web framework for the Java platform, built on top of Spring Boot.
Best Micronaut Alternatives ranked by AI · updated May 2025
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Micronaut is a modern JVM-based framework for building microservices and serverless applications.
Price: Free
Top 6 Micronaut alternatives
Spring is a popular open-source application framework for Java. It provides comprehensive infrastructure support for developing Java applications.
Spring Boot is a Java and Kotlin framework for building production-grade web applications, APIs, and services with convention-based configuration. It is aimed...
Pros
- Much larger ecosystem, community, and hiring pool than Javalin
- More comprehensive security, data-access, messaging, and observability integrations
- Strong production tooling through Spring Actuator and Spring ecosystem projects
Cons
- Heavier dependency and configuration model than Javalin
- Typically slower startup and higher memory use than lightweight frameworks
- Steeper learning curve caused by the size of the Spring ecosystem
Alpas is a modern web framework for the Kotlin programming language.
Apache Struts is an open-source web application framework for developing Java EE web applications.
Vert.x is a toolkit for building reactive applications on the JVM.
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