PaintCode - PaintCode is a unique vector drawing app that generates Objective-C or Swift code in real time, acting as a bridge between developers and graphic designers.
Anima - Create High-Fidelity Prototypes in Sketch
QuartzCode - Turn vector drawing and animation to ObjC / Swift Code. Easily add any animation your iOS project, whether in vector or raster image without any coding.
Fluid for Sketch - Sketch plugin to make your responsive designs more efficient
Qwarkee - Introducing Qwarkee, the first utility that's a must for all iOS and OSX developers.
Webflow Flexbox UI Builder - Build flexible, responsive layouts — without writing code