Zeplin. Build pixel perfect apps in peace Design hand-off has never been easier. Generate styleguides and resources, automatically.
Craft by InVision LABS. Craft is a suite of plugins to let you design with real data in mind. Manage them via the new Craft Manager for incredibly easy updating.
Sketch Toolbox - A super simple plugin manager for Sketch
Android Web Browser Template
iOS 9 GUI for Sketch - Design+Code
Free Apple Watch iPhone 6 & iPhone 5 .sketch Mockup
Android UI kit for Sketch
Online Store material design - sketch freebie
Android L for Sketch 3 #materialdesign #material #design