Coder customizer framework allows theme developers to add customizer to their theme in easy, standard and advanced way. You can also found this plugin in github
Available control types ( fields )
Basic Controls Types :
WordPress custom controls types :
WordPress new custom controls types ( since 4.3 and 4.2 ) : * media * cropped_image
Custom control types :
user_dropdown
repeated_settings_controls //Repeat setting and controls in given number of times
However your can create and add your own custom control types in a easy way.
For details documentation and examples on how to use these Panels, Sections, Setting and Control please visit codersantosh.com.