The Digital Public Library of America features digital access to thousands of artifacts and articles of history from museums all over the United States.
Empressr is a free presentation tool that allows you to incorporate photos, video, and audio. It also allows you to share your presentation both privately and publicly. It is a great and free alternative to PowerPoint that a teacher of any subject would find useful.
This would be an excellent tool for students who have difficulty learning traditionally and prefer to learn visually. It is also a great tool for information analysis, as it allows you to view the MapStories that other people made.
Naiku is an educational tool that works in a similar way to Activotes, but is meant for a classroom that encourages students to bring their own devices. A student simply goes to the website, enters the room number of the question, answers the prompt, and the teacher sees the graphed results.
Opus is a new service made to develop sample problems designed to fit common core standards. It also allows teachers to create answer sheets for the problems they have saved.
This tool builds map interpretation skills by enabling students to virtually assist endangered animals. It is a fantastic tool for lower grade level teachers who are teaching the essential map reading.