PhET Interactive Simulations - Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations.

RedReader - RedReader - An unofficial open source Reddit client for Android.

Algodoo - Algodoo is a 2D simulator freeware product designed as a physics learning tool. It was originally created by Emil Emerfeldt as part of his master’s thesis in 2008. Read more about Algodoo.

BaconReader - “The Reddit App You've Always Wanted” – AndroidGuys “Top 25 Best Free Android Apps” – Mashable “15 Must Have Android Apps” – Datamation BaconReader for Reddit lets you enjoy all of the best content and features of popular social news site Reddit.

LabsLand - LabsLand lets students access real educational laboratories through the Internet.

Hover Zoom - Enlarge thumbnails on mouse over.