HEATKEYS

Lee Mac Programming: Custom Programs for AutoCAD - use the free AutoLISP programs offered by the site to increase your AutoCAD productivity

Learn more about North Carolina State University, located in Raleigh, N.C., and consistently recognized as one of the nation’s top public universities.

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

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

Heat transfer and fluid flow modeling software for transient and steady state analysis including thermal radiation; Cullimore and Ring Technologies

, Fotos is a free to view, directory of images from across the web.

The IBM corporate home page, entry point to information about IBM products and services

Lightstalkers is a professional and social resource for journalists, filmmakers, photographers, and professional travelers.

Be Communities is a social networking site for those in the architecture, engineering, construction, operations, and GIS communities with tools such as forums, blogs, a resource gallery, and a wiki for connecting, communicating, and learning from eac...