Researcher Tools Tools to support researchers undertaking EdTech research EdTech Hub Evidence Library. A database of EdTech Hub research outputs, publications cited and other research relevant to EdTech. COVID EdTech Research Mapping. Find information about EdTech research that is planned, on-going or recently published. This work is run by the Building EdTech Evidence and Research (BETER) group.COVID survey mapping. Find out about surveys looking at the educational impact of COVID-19. This work is run by the Building EdTech Evidence and Research (BETER) group.