Materialize CSS - A modern responsive front-end framework based on Material Design
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Material UI - A CSS Framework and a Set of React Components that Implement Google's Material Design
Invision - Prototyping and collaboration for design teams
Topcoat - TopCoat, TopWeb, Rheologic, Software for coating, drying, converting, web handling, industries.
Sketch - Professional digital design for Mac.