Amazon EventBridge
Amazon EventBridge is a serverless event bus provided by AWS. It facilitates messaging between SaaS applications and various AWS services. This tool helps developers manage and route events across different cloud resources without managing underlying infrastructure. It serves as a central hub for connecting applications in a distributed environment.
Choose this service when you need a managed solution for event-driven architecture within the AWS ecosystem. Note that there is no free tier available for this service. Additionally, the pricing model requires you to contact the vendor directly for cost details, so budget planning may involve additional steps compared to services with transparent, published rates.