Canada's Centre for Digital Media and Literacy is a very useful site for teachers and students. Lots of resources for staff, and some good online student quizzes/games to introduce different topics of digital literacy.
http://mediasmarts.ca/digital-media-literacy/educational-games
Unsplash - free photo gallery
Unsplash A wonderful collection of free photos. The photos below model good digital citizenship by giving attribution to the photographer....

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WeVideo is a collaborative, online video editor that stores your working and finished files in the "cloud". By setting up a free...
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Survey Creator is a free service that allows surveys to be conducted and managed online. As the link to access the survey is controlled by ...
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Tagxedo - highly recommended! This program allows you to save the word cloud you have generated. There are a multitude of options inclu...