Presentation Tools
Prezi is a presentation tool that uses one large canvas that allows you to zoom to various parts of the canvas and emphasize the ideas presented there.
Storybird is a visual storytelling tool to make beautiful, art-inspired stories in seconds.
Blogging Tools
Glogster is an online tool that allows you to create online, interactive posters to present lessons, images, videos and audio.
Wix is a tool to create your own sites using a wide range of templates, which can be updated and edited easily.
Wikispaces is an easy way to create a classroom workspace where you and your students can communicate and work on projects and share ideas. Free for students and teachers.
Other Tools
Google Classroom
Teachers create an online platform for their classroom. Also check out Google Drive, etc.
Dropbox
Store your pictures, videos and documents with this online 'hard-drive.'
Wordle
Create your own word collage.
mindomo
wolfram alpha
stumbleupon
openoffice.org
Note-Taking Tools
Evernote is the place you write, collect information, find what you need, and present your ideas to the world. Note-taking and archiving software.