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| Software Sort descending | Description |
|---|---|
| Building Energy Software Tools Directory | This directory provides information on 345 (as of December 2008) building software tools for evaluating energy efficiency, renewable energy, and sustainability in buildings. |
| SunTools | A Plug-in for SketchUp that allows visualization of sun position and sun path, produces axonometric views from the sun to analyze mutual shading, and easy solar access and penetration at any design stage, without the need of exporting the data to external programs, using the existing SketchUp 3D |