H5P is an open source and free interactive content authoring tool. One can create, publish rich HTML5 content and share across. All it needs is an authoring environment and publishing platform. Once created always can be edited, modified and reused. The content created using H5P is responsive.
Open Educational Resources are teaching, learning or research materials that are in the public domain or released with intellectual property licenses that facilitate the free use, adaptation and distribution of resources. - UNESCO
Creative Commons licenses give everyone from individual creators to large institutions a standardized way to grant the public permission to use their creative work under copyright law. From the reuser’s perspective, the presence of a Creative Commons license on a copyrighted work answers the question, “What can I do with this work?” - Creative Commons
Registered authors who created and published content using CC Licenses.