The project DIMPA funded by Erasmus+in 2018 includes free or financially accessible tools, not requiring particular skills and allowing to quickly produce high quality contents. These tools are accompanied by tutorials and are collected in toolkits with practical tips and guidelines dedicated to each technology:
Epub, Augmented printed material, interactive video, immersive video, augmented reality, virtual reality.
The main tool of DIMPA is available as Open Educational Resources at https://www.dimpaproject.eu/oer-open-education-resources/