Find Objects’ Groups
This little plugin will find and select the groups in which the selected objects’ reside. It can be accessed from the Object’s Explorer Context Menu
More details can be found here FindObjectGroups_Plugin
This plugin will rename selected objects using a number of options. Upper/Lowercase, Find/Replace, Prefix/Suffix, Total Rename.
More details can be found here gbRenamer
A collection of scripts and gizmos for nuke
Details can be found here BellTools