CloudBerry Explorer for Amazon S3 is a freeware file manager for Amazon S3 and Amazon Glacier.
S3 Explorer provides a user interface to Amazon S3 and Amazon Glacier accounts allowing accessing, moving and managing files, buckets and vaults across your local and cloud storage.
Freeware Amazon S3 client
by CloudBerry Lab comes with a full support for CloudFront (Amazon Content Delivery Network (CDN)). It includes a set of tools to manage CloudFront HTTP and Streaming Distributions, Public and Private content and more