The Open Educational Resources (OER) Commons by the Institute for the Study of Knowledge Management in Education (ISKME) is an open-source resource for educators, offering search tools for shared resources, guidelines and a framework for the development of shared resources, the Open Author software platform, evaluation rubrics and a variety of tools and information to help educators build and share their curriculum. Educators must register through the website, but registration is free. In addition to the information and tools that are provided through the website, the organization also provides training opportunities in open-source curriculum development for educators within their local communities.