21 Free Web Tools for Educators

out this list!
#1 - Wallwisher
#2 - Self-grading Quizzes
#3 - Bitstrips for Schools
#4 - Classtools.net
#5 - Edmodo
#6 - DoInk
#7 - Kerpoof
#8 - Glogster
#9 - ToonDoo
#10 - Wordle
#11 - Skype
#12 - Animoto
#13 - VoiceThreads
#14 - PhotoFiltre
#15 - Livebinders
#16 - WeeBehave
#17 - DropBox
#18 - Jing
#19 - Audacity
#20 - LearnBoost
#21 - Wetoku