A graphical interface for unit conversion of most engineering quantities. Also includes a simple expression evaluator/calculator. Forum Link
This is a graphical interface to display and add/edit/delete material properties for a database. Merit figures for different materials can be compared side-by-side and normalized to a user selected material. Forum Link
A fairly specialized script for NASTRAN users. It will read in a punch file and extract CBAR forces/moments for use with bolted joint calculations.