DIDASknol

According to DIDASCA, "Italy is the first nation in the world to have switched from paper to digital textbooks by law.

DIDASCA – The First Italian Cyber Schools for Lifelong Learning – is proud to announce that the first digital textbook entirely written by teachers (in co-operation with their students) is titled DIDASknol. (...)

DIDASknol is a collection of didasknols – education knowledge units – that can be rated, commented and edited by users.

Anyone is free to take existing didasknols, adapt them to their needs and contribute them back on the Creative Commons Attribution 3.0 License. (...)"