OER Commons
OER Commons is a teaching and learning network of shared materials, from K-12 through college. Teachers and professors can access course materials, share their own, and collaborate together. OER Commons makes accessible resources through its alliances with over fifty trusted content providers and creative users and re-users of Open Educational Resources (OER).

ThinkQuest Library
The ThinkQuest Library provides innovative learning resources for students of all ages on a wide range of educational topics. Featuring over 6,500 websites in twelve categories, the library is created by students from around the world as part of the annual Thinkquest website competition. 


ReadWriteThink
ReadWriteThink provides educators and students access to the highest quality practices and resources in reading and language arts instruction. It offers lesson plans, web resources, and a collection of online student materials to support literacy learning in the K-12 classroom.