The ZeroAndOne.UnityEditor package adds a number of useful extension to the Unity GUI, and is available for download as a Unity package or a zip file. Import the package into your project, or unzip the zip file into your Assets folder.
Features:
Here the Examiner is drilling into the components of a scene and their .NET fields and properties. You can also see the Find Selected Script menu in action. (Click on the image to enlarge.)