Slatebox

Slatebox is a mind mapping and collaboration tool which allows you to visualize your ideas and creative work and share to others. Slatebox follows drag and drop process you can easily create and draw your ideas. It could be helpful for different organization to visualize their work flow for better understanding. Slatebox allows to create portal so you can also work in groups and share your work with others.
It is great tool for students

Slatebox connects your students with over one million scalable images so they can search for anything. One-click and it drops in their slate.
Source