Sketch Mirror - Preview your iOS designs directly on your devices
Design Systems Repo - A collection of design system examples and resources
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.
Eva Design System - A free customizable design system
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.
Ant Design System for Figma - A large library of 2100+ handcrafted UI components