helpscout

Help Scout Design System (HSDS) — React Component Library

☕️ Barista: CSS unit testing with Javascript

Spark ✨: A Jekyll library for building component-based UI templates

📊Stats: Easy performance monitoring for JavaScript / React

Jolt ⚡️: Jekyll library for creating custom template blocks

🌱Sprout: Handy CSS-in-JS utilities

📖Help Scout's Front-end Development Handbook