Bookshare is a website funded by a non-profit initiative to provide digital reading materials to people with print disabilities. The purpose is to allow these individuals timely access to materials that they might otherwise not be able to read because of their disability. The website relies on collaboration from others in order to add new materials to their digital library.
This article lists ten top sites for digital collboration in project based learning. From management tools to social gathering sites, this article lists quite a few sites I've never heard of!
Larry Lessig is a lawyer and activist for sensible intellectual property law for the digital age. He was a founding board member of Creative Commons, an organization that builds better copyright practices through principles established first by the open-source software community.
This enables kids to create many different kinds of digital graphs and charts. They can enter the parameters and any number of data points (though I'm sure there's a limit at some point). Unfortunately, it is not a co-creation tool, as the most sharing/collaborating that can be done is to email the finished graph to someone. It is, however, a nice tool to use individually.
DyKnow is a company that offers products for managing and enhancing technology in computer-based classrooms. They recently posted an article on their blog that links to the top read articles they've published over the last year. Many of these articles touch on challenges in technology based education, digital citizenship, and helpful tips for an edtech classroom.