ArtPad - Feel like drawing?
BigHugeLabs - Use photos to create all kinds of things!
Bubblr - Create comic strips using photos from Flickr!
Phrasr - Create visual messages with this app from Flickr!
Storybird - Create a short, visual story using artists' images.
Thinglink - Tag your pictures!
Voicethread - Create a video with images and then record your voice.
Voki - Create talking avatars. Type in a few sentences or call in to get 60 seconds of time.
Word It Out - Create a word cloud! (works on Chromebooks)
Wordle - Create a collage of words.