Elastic Beanstalk is a PaaS offering from Amazon that allows developers to easily deploy and manage applications in the AWS cloud. It automatically handles tasks like capacity provisioning, load balancing, scaling and application health monitoring. Developers simply upload their code and Elastic Beanstalk takes care of deploying the application to AWS resources like EC2, S3, RDS and Auto Scaling. It supports many programming languages and frameworks and integrates with other AWS services.