Spring Boot Starters are dependency descriptors that include a set of convenient dependency management for specific functionality.
Common starters:

• spring-boot-starter-web: Web applications with REST APIs
• spring-boot-starter-data-jpa: JPA with Hibernate
• spring-boot-starter-security: Spring Security
• spring-boot-starter-test: Testing framework with JUnit, Mockito
• spring-boot-starter-actuator: Monitoring and management
• spring-boot-starter-data-redis: Redis data access
• spring-boot-starter-mail: Email support