Frontend Toolkit - Dashboard for your recurring Frontend tasks
Flowkit - Sketch library for user flows/content maps/annotations
Front-End Checklist - The perfect Front-End Checklist for modern websites 🗂
Crystal: Sketch Mirror for Android - Crystal: Sketch Mirror for Android is an application that is designed for viewing your sketch designs in real-time, navigate prototypes and download content related to the sketches for offline viewing.
Front-End Developer Handbook 2017 - Learn about the practice of front-end development
Figma Mirror - Figma Mirror is an application that covers top trending designing or sketching ideas making your teamwork in a single environment and design better products from start to finish.