Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to facilitate web-scale computing for developers.
Beanstalk helps customer entire team get involved with the development process. Import or create Subversion and Git repositories that are instantly available to your team. They do all of the complicated configuration for user, and work to keep users code safe, secure, backed up, and available.
Amazon Relational Database Service (RDS) is a distributed relational database service by Amazon Web Services. It is a web service running in the cloud designed to simplify the setup, operation, and scaling of a relational database for use in applications.