appfigures - Cross-platform app store analytics for all of your mobile apps.
5play.ru - 5play.ru enables you to download highly-rated Apps and Games for Android devices.
TheTool - App Store Optimization made simple and beautiful.
Altstore - A home for apps that push the boundaries on iOS
App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.
iOSGODS! - iOSGODS!