1. Flashcards & Quizzes
1.1. Quizlet
1.1.1. http://quizlet.com/
1.2. StudyBlue
1.2.1. http://www.studyblue.com/
2. Live Polling, Testing & Instant Feedback
2.1. PollEverywhere
2.1.1. http://www.polleverywhere.com/
2.2. Socrative
2.2.1. http://www.socrative.com/
2.3. Flubaroo
2.3.1. http://www.flubaroo.com/
2.4. BackNoise
2.4.1. http://backnoise.com/
3. Presentations & Slideshows
3.1. Prezi
3.1.1. http://prezi.com/
3.2. slidestaxx
3.2.1. http://www.slidestaxx.com/
3.3. Zoho Show
3.3.1. https://show.zoho.com/
3.4. OOo Impress
3.4.1. http://www.openoffice.org/
3.5. Knovio (currently in private beta)
3.5.1. http://l.aunch.it/KVcl
3.5.2. I have a beta account; let me know if you want to use it -kf
4. Games
4.1. Tools for Educators
4.1.1. http://www.toolsforeducators.com/
4.2. ClassTools
4.2.1. http://classtools.net/
4.3. Sploder
4.3.1. http://www.sploder.com/
4.4. Gamestar Mechanic
4.4.1. http://gamestarmechanic.com/
4.5. Scratch
4.5.1. http://scratch.mit.edu/
4.6. GameMaker
4.6.1. http://www.yoyogames.com/gamemaker/mac
4.6.2. http://www.yoyogames.com/gamemaker/windows
4.7. Game Editor
4.7.1. http://game-editor.com/
5. Tutorials & Screencasts
5.1. Tildee
5.1.1. http://www.tildee.com/
5.2. ShowMe
5.2.1. http://www.showmeapp.com/
5.2.2. contest (until Aug 15)
5.2.2.1. http://www.showmeapp.com/contest
5.3. Screencast-o-matic
5.3.1. http://screencast-o-matic.com/
5.4. Screenr
5.4.1. http://www.screenr.com/
6. Whiteboarding & Screensharing
6.1. Twiddla
6.1.1. http://www.twiddla.com/
6.2. Primary Wall
6.2.1. http://primarywall.com/
6.3. Primary Pad
6.3.1. http://primarypad.com/
6.4. iEtherpad
6.4.1. http://ietherpad.com/
6.5. Collabedit
6.5.1. http://collabedit.com/
6.6. join.me
6.6.1. https://join.me/
7. Animations
7.1. Go!Animate
7.1.1. http://goanimate.com/
7.2. xtranormal
7.2.1. http://www.xtranormal.com/
7.3. Automatoon
7.3.1. http://www.automatoon.com/
8. Wikis
8.1. Wikia
8.1.1. http://www.wikia.com/Wikia
8.2. Wikidot
8.2.1. http://www.wikidot.com/
8.3. Wikispaces
8.3.1. http://www.wikispaces.com/
8.4. Zoho Wiki
8.4.1. http://www.zoho.com/wiki/