This page describes some of the possible ways developers can integrate CC and CC-related features into their desktop applications. This can be anything from simply reading the license metadata out of a file and displaying it to the user to helping users create, remix, and publish their own CC-licensed content.
There are many software tools which Creative Commons has either developed or aided in the developing of to help others accomplish their goals.
Much of the functionality that is needed to integrate CC license information with desktop applications is available in the liblicense package. In short, liblicense provides a method to read from, and embed to, license information from a variety of file formats.
While knowing about the various tools Creative Commons provides to integration CC licesnes in your application, see examples of implementations is even better!
License Tagger is a small proof of concept application written in python that utilizes liblicense to embed license metadata information into files.