DAMASK — the Düsseldorf Advanced Material Simulation Kit
Free FEM 'Multiphysics' solver
Online simulation tools in materials science and physics
Open source 3D EBSD software DREAM 3D
Periodic table with some useful infos such as the effective ionic (Shannon-Prewitt) radii
Periodic system reference data and trend diagrams
Periodic Table with Electronegativities
pycalphad: Computational Thermodynamics
Extensible Self-optimizing Phase Equilibria Infrastructure
More phase diagrams with lots of additional infos
ASM phase diagram page (limited access)
Python IDE Free Edition of PyCharm
Mathics as Mathematica Clone for download and online
Alpha: solve maths problems online
Good writing: The elements of style
Steel Alloy and Property Finder
Free Classes and free academic teaching
Science and Cooperation News (in German)
Some exiting facts about the market
Finding scientific papers, contacts and thesis works