Design Principles - An open source repository of design principles and methods
The Desk for StarUP - Design for Smart Working
Facebook Design Resources - A collection of free resources made by designers at Facebook
Miro - Scalable, secure, cross-device and enterprise-ready team collaboration tool for distributed teams. Join 2M+ users & 8000+ teams from around the world.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.