https://h5p.org/documentation/for-authors

H5P provides an ever growing number of content types. Think of them as templates for creating content. To use a content type you only need access to a web site where H5P has been installed and a modern web browser.

You can also test drive H5P right here on h5p.org.

H5P has been designed to let everyone create, share and reuse interactive content. Learn more about creating H5P content: