Xamarin - Create iOS, Android and Mac apps in C#
Navicat Data Modeler - Navicat Data Modeler allows users to create a conceptual model from an existing database and edit the structure of the database easily.
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.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
Kony - Kony is a mobile application application development platform that facilitates companies to deliver innovative mobile solutions.
Vertabelo - Online tool for visual database design.