RectTransformAdjuster
RectTransformAdjuster is a RectTransform anchor adjustment tool that snaps the selection's anchors to the current Rect with the Shift+R hotkey.
MissingScriptsFinder
MissingScriptsFinder searches scenes and prefabs for Missing Scripts, quickly locating objects with lost script references.
SymlinkUtility
SymlinkUtility provides menu items for creating folder symlinks (Junction/Symlink) in the project, with a link marker shown in the Project window.