This presentation will offer looks at several of ISKME's Microsite partner implementations (K12 and Higher Ed), walking through multiple approaches to the development of OER libraries. Discovery: How does the site information architecture inform discovery? Curation: From the ground up or top down, how to identify and make available high quality OER. Authoring: How to support grantees, faculty, and others in the development of OER instructional materials, from modules to courses.