Openly Available Sources Integrated Search (OASIS) is a search tool, developed at SUNY Geneseo's Milne Library, that aims to make the discovery of open content easier. OASIS currently searches open content from 115 different sources and contains 455,499 records.
Mason OER Metafinder (MOM) is a real-time, federated search across 22 different sources of OER materials. Hosted by George Mason University Library.