Deku - Functional view library for building UI components as an alternative to React
Xnapper - Take beautiful screenshots instantly
Preact.js - Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
Screely - Screely instantly generates dribbble-ready images. Simply upload your screenshot and we'll do the rest.
Glimmer - Fast and light-weight UI components for the web
Pika.style - A free tool to quickly convert screenshots into beautiful website and device mockups. You can create customizable images for App Store, Instagram, and more