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

Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

Spring Data module for JPA repositories.

MongoDB support for Spring Data

Spring Kafka Support

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 REST - Core

Next generation Object-Graph-Mapping for Spring Data.

Spring Data KeyValue