The App Brewery - Turn your app idea into reality.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Xcode - Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
Appyet - Create stunning Android apps.
Buglife - Seriously awesome bug reporting for iOS apps