"These Probability Simulations programs have been designed in order to allow teachers and students to simulate probability experiments over a long period of trials. " Y 5 and Y6 of MEP program.
"Codea for iPad lets you create games and simulations - or just about any visual idea you have. Turn your thoughts into interactive creations that make use of iPad features like Multi-Touch and the accelerometer."
Might be the future who knows? at $9.99 one to watch
EUREKA "the man in the bath" graphs and plugs and taps. Very old program re-written. Make a graph and then get others to try and de-code it. Top Juniors, KS2
"Kidscapism is a community based around your school, managed by your teacher. You can read and write stories, send email to your classmates, and your teacher can sign your class up to work with other classes...in other schools...all around the world."