Design systems and UI kits

  • Sergei Golubev

Having a solid design system has plenty of benefits: making your UI consistent and familiar across different apps and websites of your company, helping different teams collaborate more effectively and reducing duplicate work, creating unified tone of voice when communicating with your customers across different channels – are just a few of these. We've listed some of the design systems for you to explore and get inspired by, including their official UI kits:

Microsoft's Fluent Design System

The new open-source design system by Microsoft is truly cross-platform – not only for Windows, but also for web, iOS, macOS and Android:
  • Web toolkit for Sketch and Figma
  • iOS toolkit for Sketch and Figma
  • Android toolkit for Sketch and Figma
  • Windows toolkit for Figma
  • Other resources

Apple's Human Interface Guidelines

Comprehensive set of guidelines by Apple for iOS, MacOS, watchOS and tvOS:
  • iOS UI library for Sketch and Adobe XD
  • macOS UI library for Sketch and Adobe XD
  • watchOS UI library for Sketch and Adobe XD
  • Other resources

Google's Material Design

Popular design system by Google inspired by the physical world and its textures backed by open-source code:
  • Design kit for Sketch and Figma
  • Other resources

IBM's Design Language

IBM's own Design Language (use to be called “living language”) is a shared vocabulary for design. Its open-source Carbon design system is used to build products and experiences within the company:
  • Design kit for Sketch and Adobe XD
  • Other resources

GOV.UK's Design System

UK government has their very own design system to ensure consistency of numerous services and avoid repeating work that’s already been done by other teams within the organisation:
  • GOV.UK Prototype Kit

U.S. Government's Web Design System

American government made it easier to build accessible, mobile-friendly government websites for the American public with its design system:
  • Design files for Sketch and Adobe XD
  • Other resources

Shopify's Polaris Design System

Design system is not only about UI though. Here's the video recording of the talk from TheUXConf by UX Manager at Shopify's Polaris Design System Hayley Hughes on “Creating Unity, Not Uniformity with Design Language Systems” that shows how having design system can help collaboration.
  • UI Kit for Sketch

Transport for London's Style Guide

Part of the Digital Design Toolkit, Transport for London's style guide for defines the interactive visual language of its website and digital services for those preparing content, designing an interface or developing an entire service:
  • Style Guide
  • Other resources

Uber's Base Web Design System

Uber's design system called Base is a common language between designers, developers, and PMs in their organisation, making it easier for them to work together and quickly. Their library is open-source and helps easily creating web applications not only inside Uber but also to be used by other companies:
  • Components Library for React
  • Brand guide system elements

The City of Oslo's Visual Interface

With visual identify being a part of a bigger design system, it's not a simple task to design one for a city. In this talk at TheUXConf brand strategist John Aurtande from Norwegian experience agency Creuna shares design process & challenges building new identity for Oslo that helps its residents connect & thrive:

British Gas' Nucleus Design System

Nucleus is an inclusive, community driven design system by British Gas enabling teams across the company to deliver consistent and accessible experiences:
  • Components storybook
  • Documentation
Interested in learning how to start creating design system for your company – we cover design languages, style guide and toolkits on day 2 on UI Fundamentals of each of our monthly courses.

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