In the framework of the seventh International Congress on Learning, Innovation and Cooperation, CINAIC 2021, from 20 to 22 October in Madrid, https://cinaic.net/, four papers were presented related to various projects under development in GRETEL and in collaboration with institutions such as the Polytechnic University of Madrid, the University of Seville, the University of Salamanca, the University of Deusto or the Pontifical University of Comillas, highlighting the CreaSTEAM project, a project of the 2020 call of Erasmus + KA 2, https://creasteam.eu/ ; https://twitter.com/creasteam . The presentations dealt with educational innovations in Moodle through a personalized chatbot, the analysis of data from an experience on the evaluation of transversal competencies in architecture, data on an experience of monitored teamwork, and the progress of the Erasmus + project, previously mentioned.