Education Online
Philologus allows teachers to create online games relevant to their curriculum. You can also access games that have been created by others.
Launchball is a brilliant science activity. Students can use their scientific knowledge to launch a ball into a goal. If they have no knowledge, tips will be offered after they have had a try. Then they can create their own games.
eslvideo allows you to create and share online quizzes using video.
20questions allows you to choose an object and have the computer ask questions to which you respond. At the end, there is an explanation about how Q20 learns from the responses it is given. Interesting.
Wordmaster is a fantastic comprehension and vocabulary building activity available at three levels, easy, medium and hard. Its good for a whiteboard because there is a keyboard on the screen to enter letters hangman style.
Voicethread allows discussion around a photograph, series of photographs or video. It encourages unselfconscious chat which could easily lead to some inspired writing.