Directories and Repositories of Educational Materials
WikiEducator is a community of scholars, teachers and trainers that are committed to the benefits associated with the collaborative authoring of open educational resources that can be used in their own teaching contexts. http://www.wikieducator.org/ is a community space where educators work collaboratively on the authoring of concepts that constitute the building blocks of the instructional materials that are used in teaching situations.
The WikiEducator community endorses the Definition of Free Cultural Works, and aims at making all of its material available under a compatible licence.
LeMill is a web community for finding, authoring and sharing free learning resources. LeMill has "easy-to-use" authoring tools to create(multimedia) learning resources and a database to storage your media pieces (videos, audios, images). LeMill is currently available in the following languages: cz, en, es, et. fi, fr, hu, lt, ru and se - more translations are welcome. LeMill.org is the home of the LeMill open source platform.