Pathogen Roleplay Wizard allows an instructor to create questions for students to answer while navigating through worlds, in and out of time, solving riddles, breaking codes, like Myst but with your questions. Put on all you computers for one price.
Exomatiks is an educational software of mathematics for schoolchildren and high school students. It composes of three modules: 'exercises' module, 'tools' module and 'graphs' module.