Botsociety - Botsociety is a tool to design, preview and export your chatbot.
iOS 12 GUI - Free collection of UI components and screens of iOS 12
Balsamiq Mockups 3 - New public beta for the popular prototyping tool
Fludish Sketch UI Kit - 🌱 Fluent iOS UI Kit designed for Sketch.
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform
Landing UI Kit - Handcrafted UI components for landing pages