Other Features

Auto Hide UI UI objects in the scene can be automatically hidden when you aren't working with them.
Selection History A window which keeps track of the objects you select so you can quickly go back to them.
Comments Use the CommentComponent and CommentAsset to leave development comments throughout your project.
Auto Prefs Use simple objects to encapsulate PlayerPrefs and EditorPrefs.
Preferences Customize the settings of Inspector Gadgets.
Unity Modules Most Unity Modules can be disabled as they are not needed by Inspector Gadgets.