Top List of AWS Services in 2025 - AWS PASS, IAAS and SAAS Services List

AWS Service Delivery Models

• IaaS (Infrastructure as a Service) — e.g. EC2 (virtual servers), EBS (block storage), VPC (networking) — you manage the OS and above.
• PaaS (Platform as a Service) — e.g. Elastic Beanstalk, RDS, Lambda — AWS manages the underlying infrastructure and runtime.
• SaaS (Software as a Service) — fully managed applications like Amazon Chime or AWS-partnered marketplace SaaS offerings.

Popular Services by Category

• Compute — EC2, Lambda, ECS, EKS
• Storage — S3, EBS, EFS, Glacier
• Database — RDS, DynamoDB, Aurora, Redshift
• Networking — VPC, Route 53, CloudFront, API Gateway
• Security — IAM, KMS, WAF, Shield

Understanding which delivery model a service falls under helps clarify how much operational responsibility you retain versus what AWS manages for you.