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USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

AR-CAD offers free and inexpensive 3D CAD Software with Motion Simulation Capabilities, namely freeCAD, StCAD. IN-Motion is a motion and dynamic simulation developed for Autodesk Inventor.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Deliver products to market FAST with SpaceClaim 3D Direct Modeling software. Easily and rapidly create concept models to win bids, prepare models for analysis, prototyping (additive manufacturing), manufacturing, and industrial design.

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

YouTube is a place to discover, watch, upload and share videos.

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Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

MSC Software Corporation – CAE Software and Services to Optimize Product Development.