Scratch saves its finished files in its own .SB format, but users can upload their finished products to the Scratch home page with the click of a button, a very Web 2.0 addition.

On May 16, 2009, learn more about Scratch, the free programming tool for kids.

Developers use application programming interfaces to hide complexity, organize code, design reusable components, and connect different systems, applications, or services. The term API stands for ...