Free online webpage builder.

Screen recorder.

With this online mindmapping tool it is easy to collect, visually organize and present ideas, in collaboration with others.

A mind mapping tool.

CC Search is a tool that help find openly licensed and public domain works.

Curriki is an online environment created to support the development and free distribution of world-class educational materials to anyone who needs them.

Creation of Interactive and Personalized Video Lessons and Video Quizzes.

Creation of eBooks according to the open ePub standard, in particular ePub3 and, optionally, ePub2.

A tool to create wikis (i.e. websites whose contents are created and organized in collaboration by several users).

Flickr is probably the most famous photo-sharing site. Authors are required to indicate the license of their photos which is clearly in evidence next to each photo. One can, of course, search by license.