Voicethread: http://voicethread.com

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: https://infogr.am

Infogram's a clear and user friendly app for creating interactive infographics.      

Timeglider: https://timeglider.com

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.

Timeline Creators

Storify: http://storify.com/

Storybird: http://storybird.com/

Our Story: http://www.ourstory.com/

Tiki Tiki: http://www.tiki-toki.com/

Dipity http://www.dipity.com/

Timeline JS: http://timeline.knightlab.com/

Timetoast: http://www.timetoast.com/

Wordle: http://www.wordle.net/
Bubbl.us: http://bubbl.us/

These wikis are useful too:
50+ web 2.0 ways to tell a story: http://50ways.wikispaces.com/

50+ web 2.0 ways to tell a mobile story

Pixton: http://pixton.com/uk/
Issuu: http://issuu.com/
Weebly: http://www.weebly.com/
Animoto: http://animoto.com/
Prezi: http://prezi.com
Wikispaces: http://www.wikispaces.com
TedEd: http://ed.ted.com
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