Spring is a comprehensive framework for developing Java applications, designed to simplify enterprise-level software development with a focus on making Java-based applications easier to manage and more productive. At its core, Spring provides Inversion of Control (IoC) to promote loose coupling through dependency injection, allowing developers to write more testable and maintainable code. It also offers extensive support for aspect-oriented programming (AOP), transaction management, and integrates seamlessly with other Java frameworks such as Hibernate, JPA, and security solutions. Spring Boot, a subproject of Spring, enhances productivity by providing a convention-over-configuration approach, enabling developers to rapidly set up and run applications with minimal configuration through its embedded server options and opinionated starter dependencies. Additionally, with its robust support for RESTful API development through Spring MVC and Spring WebFlux for reactive, non-blocking applications, Spring is highly versatile in catering to a wide range of modern software development needs.

View the most prominent open source Spring projects in the list below. Click on a specific project to view its alternative or complementary packages.