"A Type-to-shoot Space Shoot'em'up. Winner of the Mozilla Game On, Community Choice Award." I know what you're saying! Another typing game?!?! But here's what makes this one special: cool modern graphics; professional-level music and sound effects; and coolest of all, the ability to enter your own sentences or type the text of a web-page!
"Typing.com's Teacher Portal provides all the necessary tools to grade, report on, and manage your students & classes. Improve typing skills and prepare your students for the future with our comprehensive curriculum and typing games. Typing.com is, and always will be, free. Unlimited students, unlimited classes, unlimited teachers." Ad-supported but paid version for single classrooms available and school-wide curriculum available at EduTyping.com.
"Deck.Toys is a new classroom tool that allows K-12 teachers to teach and engage students." Set up Study Sets of terms and definitions, drag and drop them onto the map to create activities, and set a path for your kids to follow. Currently in open beta (being actively developed). Try out one of Mr. Flores's games.
"Web whiteboard is a web-based shared whiteboard application. This means you can use the Web Whiteboard to draw, sketch and doodle together with your friends, colleagues or students, no matter where they are or which computer or device they're using. It is simple to use and there's no registration needed."
"Breakout EDU games teach critical thinking, teamwork, complex problem solving, and can be used in all content areas." The games are played in the classroom with real objects. Purely online versions are at breakoutedu.com/digital/.