ASO Tools by AppFollow - Tools for App Store Optimization in App Store & Google Play
Rage Grade by FullStory - Benchmark your customer frustration
App Launch Checklist - Planning tool for launching your app successfully
StorePreviewer - See how your app will look like on the App Store
ASO Tool Box by StoreMaven - Preview & download the creatives of any app, in any country
Startup Toolkit - Interactive how-to guides to launch your startup