mitchellh/

Package mapstructure exposes functionality to convert one arbitrary Go type into another, typically to convert a map[string]interface{} into a native Go structure.

Package pointerstructure provides functions for identifying a specific value within any Go structure using a string syntax.

reflectwalk is a package that allows you to "walk" complex structures similar to how you may "walk" a filesystem: visiting every element one by one and calling callback functions allowing you to handle and manipulate those elements.