Starters are a set of convenient dependency descriptors that we can include in a application.
Some Spring Boot starters are :-
spring-boot-starter-web-services - SOAP Web Services
spring-boot-starter-web - Web & RESTful applications
spring-boot-starter-test - Unit testing and Integration Testing
spring-boot-starter-jdbc - Traditional JDBC
spring-boot-starter-hateoas - Add HATEOAS features to your services
spring-boot-starter-security - Authentication and Authorization using Spring Security
spring-boot-starter-data-jpa - Spring Data JPA with Hibernate
spring-boot-starter-data-rest - Expose Simple REST Services using Spring Data REST