The wind blows wherever it pleases. You hear its sound, but you cannot tell where it comes from or where it is going.
OpsWorks is an implementation of the Chef configuration management and deployment platform. OpsWorks moves away from the low-level configurability of CloudFormation but not as far as Elastic Beanstalk. OpsWorks lets you create a stack of resources with layers and manage resources as a unit.
Elastic Beanstalk (EB) is a Platform as a Service product. It allows you to deploy code and, with very little effort or modifications, the service will provision the infrastructure on your behalf.
Elastic Beanstalk handles provisioning, monitoring, Auto Scaling, load balancing, and software updating for you — you just worry about the cost.
Database Migration Service (AWS DMS) is a service to migrate relational databases. It can migrate to and from any locations with network connectivity to AWS. DMS is compatible with a broad range of DB sources, including Oracle, MS SQL, MySQL, MariaDB, PostgreSQL, MongoDB, Aurora, and SAP.
ElastiCache is a managed in-memory data store supporting the Redis or Memcached engines. ElastiCache is used for two common use cases:
Redshift is a managed data warehousing solution, which can scale to petabytes or more.