Startup Toolkit - Interactive how-to guides to launch your startup
TSF5 - TSF5 stands for thesilverfox5. TSF5 is a multiplatformed multiapp!
Techstars Entrepreneur's Toolkit - Online resource to help you learn about entrepreneurship
Cydia - An alternative app store for jailbroken devices.
App Launch Checklist - Planning tool for launching your app successfully
iNoJB - iNoJB, formerly iNoCydia, is an amazing Cydia alternative requiring no jailbreak!