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SimRest is a set of components being developed to facilitate the use of Representational State Transfer (REST) Web Services to create distributed simulations
The NIST STEP Class Library (SCL) is a set of C++ class libraries which are capable of representing information conforming to the EXPRESS (ISO 10303-11) data
The free STEP File Viewer supports parts, assemblies, dimensions, tolerances, and more. The Analyzer generates a spreadsheet of all entity and attribute
The STEP Modules Repository is a collection of reusable XML building blocks for developing standards from information models defined in EXPRESS. An integral
The NIST STEP to X3D Translator (STP2X3D) is an open-source software that translates a STEP (ISO 10303) Part 21 file (.stp or .step) to an X3D (ISO/IEC 19776)
The Sustainability Standards Portal provides: A comprehensive list of standards with details and links to the original standard developer website. A facility to
Update - 10/2020: SMIR is no longer supported. For further information, please see the following publications: Kibira, D., Brundage, M., Feng, S., and Morris, K
The Model Interchange Working Group (MIWG) Validator provides an environment for SE tool developers to assess the interoperability of their implementations