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

eng-tips engineering forums is an intelligent work forum community for engineering professionals of all disciplines.

efunda, the ultimate online reference for the mechanical engineering community

custompartnet is a free resource for engineers and manufacturers that facilitates product design and cost estimation. learn about the process cycle and design for manufacturing (dfm) guidelines for a wide range of manufacturing processes, including injection molding, metal casting, machining (milling and turning), and rapid prototyping. get fast and accurate cost estimates by using our interactive cost estimators, widgets, and calculators.

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.

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

machine design covers exclusive insights on machinery, design tutorials, and innovative solutions in the ever-evolving industrial and manufacturing landscape.

mechanicalc is a suite of web-based calculators intended to assist in the design and analysis tasks of a mechanical engineer.