Google Command Line Tool
Have you ever wanted to upload an entire directory of images to Picasa and thought how cool it would be to have a command-line tool?
Well, you aren't the only one, and now there's GoogleCL to do just that and a bunch more.
With GoogleCL you can add blog posts to Blogger.com, update your Google calendar, add/edit documents and upload photos.
It's the commend-line tool for Google APIs.
GoogleCL is written with Python and available here.