Spring

Spring is an open-source application development framework and ecosystem for building Java-based enterprise and cloud-native software.

• Core framework for Java application configuration, dependency injection, and component management (application framework)
• Projects for building Hypertext Transfer Protocol (HTTP) and messaging-based services and APIs (application development)
• Runtime support for deploying Spring applications to cloud platforms and container orchestration environments (cloud-native runtime)
• Tooling and integrations for application observability, security, and data access (application infrastructure)
• Documentation, guides, and project templates for enterprise Java and microservice development (developer enablement)

More About Spring

Spring provides a programming and configuration model for Java applications that emphasizes dependency injection, inversion of control, and modular components, which enterprises use to standardize how backend services, APIs, and batch processes are structured and wired together.

The ecosystem includes multiple projects that address common enterprise use cases, such as building RESTful APIs, integrating with messaging systems, securing applications, and accessing relational and non-relational data, which positions Spring as a general-purpose application framework (application development) for Java workloads.

Spring is widely used in microservice and distributed systems architectures, where its abstractions for HTTP endpoints, data persistence, configuration, and messaging allow engineering teams to define services with consistent patterns across domains while integrating with infrastructure such as databases, message brokers, and service registries.

Many organizations deploy Spring-based applications onto container platforms and public or private clouds, using the framework with JVM runtimes and build pipelines to implement cloud-native practices including externalized configuration, health checks, and metrics collection.

Security-related components in the Spring ecosystem (application security) provide mechanisms for authentication, authorization, and integration with identity providers and security protocols, which enterprises apply to enforce access control for web applications, APIs, and backend services.

Spring also includes libraries and patterns for data access (data management), enabling interaction with relational databases through Object–Relational Mapping (ORM) frameworks and JDBC, as well as with other storage and messaging technologies through standardized templates and repository abstractions.

In comparison to other Java frameworks (application development), Spring is often selected for its modular architecture and compatibility with a range of application servers, servlet containers, and cloud deployment models, rather than binding applications tightly to a specific runtime platform.

From a directory and taxonomy perspective, Spring is categorized primarily under application development frameworks for Java, with related coverage in cloud-native development platforms, application security libraries, and data access frameworks used in enterprise software engineering environments.