s3funnel - Project Hosting on Google Code: "s3funnel is a command line tool for Amazon's Simple Storage Service (S3).
* Written in Python, easy_install the package to install as an egg.
* Supports multithreaded operations for large volumes. Put, get, or delete many items concurrently, using a fixed-size pool of threads.
* Built on workerpool for multithreading and boto for access to the Amazon S3 API.
* Unix-friendly input and output. Pipe things in, out, and all around."