Guide on OER in Higher Education
Recommendations for policy-makers, higher education institutions, teachers, and students from the German UNESCO Commission
Selecting individual sources to find educational contents
| ZUM Wiki | Open platform for teaching content and learning processes; under CC licence or public domain | 
| Elixier | Search engine for educational media on the German Education Server | 
| Wikibooks | Library of educational, technical and non-fiction books written collaboratively by many authors – including non-specialists – according to the wiki principle; all books under CC-BY-SA licence | 
| OER Commons | 
Platform to search for OER and make them available yourself; all contents under CC licence  | 
| Portal PhET | 
from the University of Colorado; interactive simulations for physics, biology, chemistry and mathematics from primary school to university level; all contents under CC-BY licence  | 
| Khan Academy | Videos (embedded in entire courses) on the topics of mathematics, computer science and programming | 
| Videothek Algorithmik | Youtube channel with various videos/ lecture recordings on the subject of algorithms, compiled at the TU Darmstadt Computer Science Department | 
| Bundeszentrale für politische Bildung | Extensive annotated link list to find OER offers | 
| OERinfo | Compilation of OER directories and services |