Modeling
Crystal structures database
Bilbao Crystallographic Server :
http://www.cryst.ehu.es/
Crystallography Open Database :
http://www.crystallography.net/cod/search.html
Material Project:
https://materialsproject.org/
Modeling Software
Avogadro :
https://avogadro.cc/
VESTA :
http://jp-minerals.org/vesta/en/
VMD :
http://www.ks.uiuc.edu/Research/vmd/
Useful Tutorial
Building slab using VESTA :
http://hjkgrp.mit.edu/content/building-slab-geometries-catalysis-vesta
Building slab using Avogadro :
https://avogadro.cc/docs/building-materials/building-a-crystal-slab/
Data visualization
Gnuplot :
http://www.gnuplot.info/help.html
Matplotlib :
https://matplotlib.org/
Ploty - online interactive matplotlib :
https://plot.ly/matplotlib/
Report writing
Overleaf :
http://www.overleaf.com
ShareLatex :
http://www.sharelatex.com