1. S3 Browser

S3 Browser is a freeware client for Amazon S3 Service. Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web. ...

2. JetS3t

JetS3t (pronounced "jet-set") is a free, open-source Java toolkit and application suite for the Amazon Simple Storage Service (Amazon S3) and Amazon CloudFront content delivery  ...