free tools and information for engineering and design of technical applications.

engineers edge - engineering tools, engineering reference for the engineering world.

asme (american society of mechanical engineers) promotes the art, science & practice of multidisciplinary engineering around the globe.

material property database with data sheets of thermoplastic and thermoset polymers such as nylon, polycarbonate, polyethylene; metal alloys, aluminum, steel, titanium, nickel, cobalt, and zinc alloys; ceramics, lubricants. free search tools include mechanical property searches. comparison and exports to finite element analysis fea software solidworks, ansys, algor, and more.

engineering information and connections for the global community of engineers. find engineering games, videos, jobs, disciplines, calculators and articles…

efunda, the ultimate online reference for the mechanical engineering community

information, news and publications (including some free to download) for structural steel design.

chemical engineering resources, downloads, community, blogs, and more.

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the american concrete institute (aci) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.