HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
ANSYS Fluent - ANSYS engineering simulation and 3D design software delivers product modeling solutions with unmatched scalability and a comprehensive multiphysics foundation.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
Tableau Prep - Tableau Prep is comprised of two products: Prep Builder and Prep Conductor.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Simscale CFD - SimScale CFD is a cloud-based leading CAE platform that offers access to CFD, FEA, and thermodynamics simulation capabilities 100% via a standard web browser.