The Auphonic Ruby SDK by Phil Hofmann wraps the API to access audio features, that developers can implement into podcasts, radio shows, and screen casts. Usage demonstrates how to create, upload, start, and download audio files.
If you are a bit of a command-line junkie and ever wanted to use APIs but wished you could get that data straight from your favorite shell, GoogleCL is for you. GoogleCL is a new open source project that allows you to utilize major Google APIs without writing code. It defines a set of commands that you can use as command-line utilities and access a number of Google services. For example, you can upload pictures to Google Picasa Web, create a new event in your Google Calendar, upload a blog post to Google Blogger, export your contacts to a file and much more.