The JetS3t toolkit provides several applications for interacting and managing data stored in Amazon Simple Storage Service and Amazon CloudFront content delivery network. Features: - jets3t-cockpitlite: A graphical application that Service Providers with S3 accounts may provide to clients or customers without S3 accounts. jets3t-cockpitlite allows users to manage the content of an S3 account to upload files, download files, delete S3 objects and make objects publicly accessible. All these operations are mediated by a Gatekeeper service. - jets3t-cockpit: graphical application for transferring files, viewing and managing the contents of an Amazon S3 account. - jets3t-synchronize: A command-line application for synchronizing directories on your computer with an Amazon S3 account. Ideal for performing back-ups or synchronizing files between different computers. - jets3t-uploader: A graphical application that Service Providers with S3 accounts may provide to clients or customers without S3 accounts. jets3t-uploader allows users to upload files to S3 using a simple wizard-based workflow, but all uploads must first be authorized by a Gatekeeper service - gatekeeper: A servlet that acts as an authorization service running on a Service Provider's server to mediate access to S3 accounts. It processes requests from client applications such as JetS3t Uploader & CockpitLite, and authorizes the client application to perform operations such as uploads, downloads and deletes.