1)   ConceptDraw V: upgrade 7.5
ConceptDraw 7 is a powerful diagramming and drawing tool that enables you effectively visualize and communicate information and processes.
UML diagram, Business drawing, network diagram, ERD, technical diagram, flow charts, landscape design, garden design, data flow, DFD,

 2)   ConceptDraw V 7.6
ConceptDraw 7 is a powerful diagramming and drawing tool that enables you effectively visualize and communicate information and processes.
UML diagram, Business drawing, network diagram, ERD, technical diagram, landscape design, landscape architecture, garden design, flow charts, data flow,

 3)   RapidSketch-Floor Plan & Area Calculator 2.3
RapidSketch is the fastest and easiest to learn software for creating accurate floor plan layouts. Built for appraisers, insurance inspectors, flooring installers and anyone who needs to calculate the area and perimeter of a floor plan.
RapidSketch, CAD, floor plan, area, sketch, appraiser, insurance inspector, flooring installer, calculate area, calculate perimeter,

 4)   Ez-Architect 1.2
Home design software for PCs with XP or Vista and dual-boot macs with XP or Vista installed; makes floor plans a real snap--very easy to use.
home design, floorplan, floor plan, Vista, XP, Ez-Architect, computer aided design, house design, home architect, architecture design,