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

Spring Data module for JPA repositories.

MongoDB support for Spring Data

Spring RabbitMQ Support

Spring Cloud OpenFeign Core

Supports for AMQP-based messaging applications. It provides high-level abstractions for sending and receiving messages.

Spring Data Implementation for Elasticsearch

The Spring Batch Infrastructure is a set of low-level components, interfaces and tools for batch processing applications and optimisations

Spring Data module for JDBC repositories.

Spring Data module for R2DBC

Spring Data REST - Core