here are my top ten site picks:

PrintWhatYouLike: Easily format websites for printing with a bookmarklet (printwhatyoulike.com)

Dropbox: File sync program that lets you access any files in the Dropbox folder from any computer or the website. Free initial storage of 2 GB, syncs files across all your comuters and online (getdropbox.com)

Wordle:
Wordle is a word cloud creation program. Wordle is a website that combines a series of words and creates a visual picture of frequently used words. (wordle.net)

VoiceThread:
VoiceThread allows teachers to upload photos and documents to a webpage. Students can leave comments about the photo, or a teacher can upload a photo and students can give a brief description of the photo. (Click here for a current class example) Or go to
voicethread.com

Livebinders:
Free knowledge sharing and organization site. (livebinders.com)

ShowMe:
Interactive learning community built with mobile apps. (showme.com)

Education Glogster: Interactive poster creation program. (edu.Glogster.com)

TeacherTube: School friendly alt to youtube; document, audio and photo uploads. (teachertube.com)

Zamzar: Convert nearly any file format. (zamzar.com)

Krunchd: Mulitple URL “shortener” -very simple (krunchd.com)