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My Node.js Amazon S3 library has been pushed to GitHub

You can get it at http://github.com/nuxusr/Node.js—-Amazon-S3

Supports http 100-connects, progress % on upload/download, md5 signing, streaming, reduced redundancy, and more… from the README:

What this library is good for:

    
Send files of any size (although S3 is currently limited at 5 gigs)

    - file upload and downloads are streamed with a progress event fired during writes.

    
Minimal memory footprint and very efficient

    - Streams files from disk to socket -- using nodes drain/pause/resume to only stream what socket/stream can take

    
Uses net sockets on PUT requests to support 100 Continue (especially usefull for large files)

      - the body is only sent after amazon approves the signed header

    
Creates MD5 of content (optional)

    - ensure your data isn't corrupted during transmission

   
Supports amazons new REDUCED_REDUNDANCY storage (cheaper but less reliable)

    - see unit tests for examples

    
Supports specifying acl

    - see unit tests for examples