Brand.ai - Create a style guide & integrate with Sketch, Slack, & Gulp

Anima App - Design, get feedback, convert to code, publish, iterate.

Overlay - Overlay transforms Figma and Sketch designs into reusable React, Vue.js components

Sketch Repo - Collection of resources for anyone who uses Sketch

Styleguide - A tool to make creating and maintaining styleguides easy

Figma - Team-based interface design, Figma lets you collaborate on designs in real time.