PRM (Princed Resource Manager) is an old wrapper (GUI) for PR.
Its main author is Thraka (Steve - Andy - De George).
Note: this wrapper is from 2003; the latest PR was released not long ago.
Download version 1.2: prmv12.zip (173kB; from 2003-06-25)
Download version 1: prmv1.zip (20kB; from 2003-04-24)
Download source of version 1: prmv1_VB_source.zip (32kB; from 2003-04-24)