I like the function where people can record their responses to images. Could be great for editing images remotely and for evaluation, recording people's responses to the work.
Infogram's a clear and user friendly app for creating interactive infographics.
Timeglider is currently my favourite of the Timeline creators. It has no free subscriptions (unless you're a student at no higher than undergrad level) though.
Our Story: http://www.ourstory.com/
Tiki Tiki: http://www.tiki-toki.com/
Timeline JS: http://timeline.knightlab.com/
50+ web 2.0 ways to tell a mobile story
Google Sites: https://sites.google.com
Thanks to the Coursera / University of Edinburgh E-learning and Digital Cultures MOOC for the original list that this springs from. https://www.coursera.org/course/edc