React Boilerplate - Offline-first, highly scalable foundation for your next app
Axure - The most powerful way to plan, prototype and hand off to developers, all without code. Download a free trial and see why professionals choose Axure RP 9.
Static Site Boilerplate - A better workflow for building modern static websites.
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Boilrplate - Curated list of boilerplates to help you start your projects
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project