Corkboard Connections: Fun Countdown Timers for the Classroom. Not an app, but online timers that may be used on a Smartboard.
Virtual Playgrounds Trying to figure out which children's game sites are worthwhile can be overwhelming.
16 Websites to Teach and Learn Vocabulary ~ Educational Technology and Mobile Learning
39 ESL Warm-Up Activities for Adults. Make your lesson planning easy and your classes happy with these fun warm-up activities and games.
Gamers Get Girls: Online Gaming vs. Online Dating [Infographic]
These kids sites deliver either the entire game with limited customization or a taste with in-game purchases to experience some premium content.
PPT - Popular Online Gaming Sites to Win Stunning Prizes PowerPoint Presentation