WikiExplorer - Download WikiExplorer for free. WikiExplorer is similar to the windowsExplorer. The filesystem is visualized within.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Wapedia - Education & Reference
Daily Curiosity for iOS - The top 5 things to learn on Curiosity.com, delivered daily.
Citizendium - A wiki for providing free knowledge where authors use their real, verified names.
Inquire by Tamper - The easiest way to discover the world around you.