Edinburgh DataShort: College of Science & Engineering (Licences vary)
A digital repository of research data produced at the University of Edinburgh by the College of Science and Engineering.
Applied Math and Science Education Repository (AMBER) (Licences vary)
A collection of educational resources and services on topics related to applied math and science.
PhET Interactive Simulations (CC BY)
The PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. The site is available in a number of languages.