Powerful Expression Language for querying and manipulating an object graph at runtime. It is an extension of the unified expression language (unified EL) as specified in the JSP 2.1 specification

Spring Context provides access to configured objects like a registry (a context). It inherits its features from Spring Beans and adds support for internationalization, event propagation, resource loading, and the transparent creation of contexts.

Spring webmvc contains Spring's model-view-controller (MVC) and REST Web Services implementation for web applications. It provides a clean separation between domain model code and web forms and integrates with all of the other features of the Spring ...

Spring Data makes it easy to use data access technologies, relational and non-relational databases, map-reduce frameworks, and cloud-based data services.

MongoDB support for Spring Data

Camel Spring

Hutool 扩展工具类（提供其它类库的封装）

Integration classes that tie Atlassian Plugins and Spring together

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Cassandra support for Spring Data

Ibis AdapterFramework Core