Links to internal project sites
STACK : https://stack.authomath.org
Cloud: https://cloud.authomath.org
Zenkit: https://base.zenkit.com
Links to partner sites
Pädagogische Hochschule Heidelberg : https://www.ph-heidelberg.de
Universidad de Cantabria: https://web.unican.es
University of Edinburgh https://www.ed.ac.uk
Johannes Kepler Universität Linz: https://www.jku.at
Links to project related sites
STACK at the University of Edinburgh :
https://stack-assessment.org
GeoGebra :
https://www.geogebra.org
Die Heidelberger MatheBrücke :
https://mathebruecke.pinkernell.online/