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

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

efunda, the ultimate online reference for the mechanical engineering community

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.

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

ASME (American Society of Mechanical Engineers) promotes the art, science & practice of multidisciplinary engineering around the globe.

Engineering information and connections for the global community of engineers. Find engineering webinars, research, articles, games, videos, jobs and calculators.

quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. the site also includes a predictive tool that suggests possible conversions based on input, allowing for easier navigation while learning more about various unit systems.

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.