GitHub - JetBrains/resharper-unity: Unity support for both ReSharper and Rider

Unity API knowledge: The plugin knows about all Unity based classes (MonoBehaviour, ScriptableObject, EditorWindow, etc.) and their event functions via analysis of the Unity API surface and documentation. Support for Unity API starting from 5.0. Event functions: Event functions and fields implicitly used by Unity are marked with an icon in the gutter. Empty event functions are marked as dead code,

[zyusou]

Unity用のResharperがあるそうで。