Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can "just run". We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Most Spring Boot applications need very little Spring configuration.
Grails is a framework used to build web applications with the Groovy programming language. The core framework is very extensible and there are numerous plugins available that provide easy integration of add-on features.
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
It is a high-level open-source Java web framework for the rapid development of enterprise applications. The platform abstracts developers from underlying technologies so they can focus on the business tasks, whilst retaining full flexibility by providing unrestricted access to low-level code. Applications are developed in Java, with the user interface declared in XML. A rich set of features covers most typical project requirements and development tools reduce boilerplate code and facilitate truly rapid development.
Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.