Create CAD Folders — Sam Lucido — Create subfolders under the folder where your drawing is located.
Draw Arc by Length — Kent Cooper — Kent has noted that a couple of similar routines exist among the Cadalyst CAD Tips (Nos. 4218 and 3392), but this submission is different in a few ways.
Slope Calculation — Tommy Shumpert — Calculate percent slope between two points in a drawing without the need for Civil 3D, AutoCAD Map, or any other add-ons.
Thaw and Turn On All Non-xref Layers — Leland Leahy — This one allows you to thaw and turn on all layers in the drawing, except xref layers, and it's faster than going through the layer manager.