Best alternatives for IDCT Direct Observation Survey by GEM Foundation

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Geometry Polygon Calculator

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14-Day FREE Trial Edition now also available. Search for 'ActiMap FREE'.

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Mapit GIS

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Construction Master Pro

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NaVida

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One of the top free map display apps for both mobile and tablets!

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HVAC duct sizer a Ductulator

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A Ductulator - a duct sizing calculations program for Android OS.

IDCT Direct Observation Survey