These Metafinders are search engines that submits your query to several other search engines and returns a summary of the results for Open Access educational materials:
The Open Research Library (ORL) plans to include all Open Access book content worldwide on one platform for user-friendly discovery, offering a seamless experience navigating more than 20,000 Open Access books. Users may browse for titles in more than 40 subject categories.
Mason OER Metafinder conducts a real-time, simultaneous search across 21 different sources of open educational materials.
Search Merlot's collection of free and open online teaching, learning, and faculty development services designed primarily for faculty, staff and students of higher education. The system provides access to curated support materials and content creation tools.
Openly Available Sources Integrated Search (OASIS) is a tool that searches open content from 98 different sources and aims to make the discovery of open content easier.
