BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.
Gravity Free - Gravity Free – Light Particles Manipulation App developed and published by Kfirapps Limited.
Padlet - Visual boards for organizing anything.
TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...
Fluid Simulation - Relax with beautiful, fluid particle effects that react to your touch.