HEATKEYS

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

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

CCTV system design software

Free Online Library: One of the largest online libraries in the world -- Millions of news, trade publications, newspapers, magazine, journal and reference documents on business, communications, entertainment, health, law, government, politics, scienc...

Axis provides IP-based network video solutions including network cameras (IP cameras) and video encoders for security surveillance and remote monitoring

Support Information for Consumer Electronics & Appliances , Repair Services, Manuals, Guides, FAQs & Troubleshooting

Revit Forum is a user community where you can get Help, Share and Download Revit Families, Find Revit Jobs, Tips & Tricks, Tutorials and lots more.

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Renderosity is the online art community for 2D and 3D digital artists, animators, and photographers. Free membership! We have thousands 3D models, textures, and tutorials to buy, sell or download.