VBScript manual at Microsoft Developer Network RhinoScript includes two sets of commands available for scripting: VBScript routines and RhinoScript methods. RhinoScript medhots handles most graphics related routines in Rhino, and are fully documented in the on-line help menu inside Rhino ( Help>Plug-ins>RhinoScript ). VBScript routines provide general programming syntax and other common programming functionalities, and are fully documented in this Microsoft Developer Network site.
RhinoScript Help menu
This is the same content as the one you find on your Rhino's Help menu.
Monkey for Rhino 4 Monkey is an editor and compiler for Rhino v4. Rhino v5 has this built-in as EditScript function, so you do not need to download it.