Grails

Grails is a powerful web framework, for the Java platform aimed at multiplying developers’ productivity thanks to a Convention-over-Configuration, sensible defaults and opinionated APIs.

It integrates smoothly with the JVM, allowing one to be immediately productive whilst providing powerful features, including integrated ORM, Domain-Specific Languages, runtime and compile-time meta-programming and Asynchronous programming.

The Convention-over-Configuration, sensible defaults, opinionated APIS and the Groovy language combine to make Grails easy to learn for Java developers. The Grails has Integrated ORM / NoSQL support, a powerful view technology, plugins, and Spring-powered dependency injection. Grails 3 which is built on top of Spring Boot facilitates building Microservices seamlessly.

Grails Seamlessly and transparently integrates and interoperates with Java, the JVM and existing Java EE containers.The Grails uses Expressive Domain Specific Languages (DSLs) used for validation, querying, markup rendering etc. The Build plugins that extend and enhance Grails or reuse an existing plugin already published by the vibrant plugin community.Grails has Great support in IDEs and text editors such as Intellij IDEA, Eclipse, Sublime, Textmate etc.