http://www.quickmeasureonscreen.com - QuickMeasure OnScreen embeds itself into Microsoft Excel giving you full PDF plan takeoff capabilities while working with your own spreadsheet

http://takeofffortheconstructionindustry.blogspot.in - Today’s construction estimator does the majority of their estimates by measuring directly from PDF drawings. Blueprint measuring used to be primarily from paper plans and were measured typically by hand or by using a GTCO digitizer.

http://constructionestimatingsoftwarefree.wordpress.com - The construction software industry has changed over the past 8 years switching from paper plans to PDF plans. Blueprint takeoff software for PDF plan takeoff has become the common method for construction estimators who use construction estimating software.