Wind Load Calculator for Signs, Fences and Solar Mounts
Wired White v2 Estimate wind pressure, face force and post-base overturning moment for signs, solid or porous fences and tilted solar mounts, with an editable embedded-post soil check.
#overturning
Wired White v2 
Retaining Wall Calculator: Overturning, Sliding and Bearing
Wired White v2 Check gravity and cantilever retaining walls for sliding, overturning and base bearing. Compare Rankine or Coulomb pressure, surcharge, groundwater and uplift.