Google Open Source - All of Googles open source projects under a single umbrella
TheTool - App Store Optimization made simple and beautiful.
SmallDevTools - Handy developer tools with a delightful interface
Sensor Tower - Sensor Tower is a platform for app store optimization and app industry intelligence.
whatdevsneed - This is whatdevsneed.
appfigures - Cross-platform app store analytics for all of your mobile apps.