Spring AMQP: Communicate asynchronously using an Advanced Message Queueing Protocol (AMQP) message broker

Spring AOP: Apply advice to code using Aspect-Oriented Programming

Spring Batch: Process large volumes of content using batched jobs

Spring Cache: Ease the load on services by caching results

Data store connections (Apache Cassandra, Elasticsearch, Hazelcast, InfluxDB, JPA, MongoDB, Neo4j, Solr)

Spring Data (Apache Cassandra, Couchbase, Elasticsearch, JDBC, JPA, LDAP, MongoDB, Neo4j, R2DBC, Redis, REST): Simplify data access

Flyway: Database schema management

Templating engines (Freemarker, Groovy, Mustache, Thymeleaf)

Serialization/deserialization (Gson and Jackson)

Spring HATEOAS: Add Hypermedia as the Engine of Application State (HATEOAS) or hypermedia to web services

Spring Integration: Support integration rules

Spring JDBC: Simplify accessing databases through JDBC

Spring JMS: Asynchronous through Java Messaging Service (JMS)

Spring JMX: Manage services through Java Management Extension (JMX)

jOOQ: Query databases using Java Object Oriented Querying (jOOQ)

Apache Kafka: Asynchronous messaging

Spring LDAP: Directory-based services over Lightweight Directory Access Protocol (jOOQ)

Liquibase: Database schema management

Spring Mail: Publish emails

Netty: An asynchronous web container (non-servlet-based)

Quartz scheduling: Timed tasks

Spring R2DBC: Access relational databases through Reactive Relational Database Connectivity (R2DBC)

SendGrid: Publish emails

Spring Session: Web session management

Spring RSocket: Support for the async wire protocol known as RSocket

Spring Validation: Bean validation

Spring MVC: Spring’s workhorse for servlet-based web apps using the Model-View-Controller (MVC) paradigm

Spring WebFlux: Spring’s reactive solution for web apps

Spring Web Services: Simple Object Access Protocol (SOAP)-based services

Spring WebSocket: Support for the WebSocket messaging web protocol