Amazon EventBridge is a serverless event bus service that makes it easy to connect applications together using data from your own applications, SaaS applications, and AWS services. It allows you to create rules that automatically route events from sources to targets, such as AWS Lambda functions, Amazon SQS queues, and built-in targets. EventBridge makes it easy to process and analyze large volumes of data in real-time and enables you to build event-driven applications and microservices.