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A design system is a collection of documentation on principles and best practices, that helps guide a team to build digital products. They are often embodied in UI libraries and pattern libraries, but can extend to include guides on other areas such as 'Voice and Tone'.


  • Components: Contains coded patterns and examples.
  • Voice & Tone: Provides guidance on how language should be used.
  • Designers Kit: Includes a Sketch/Photoshop/Figma/etc. file for designers.
  • Source code: Publically viewable source code

Components Voice & Tone Designers Kit Source code *
Adobe Spectrum πŸ‘ πŸ‘ πŸ‘ :octocat:
Alfa-Bank πŸ‘ πŸ‘ :octocat:
Alibaba Ant Design πŸ‘ πŸ‘ πŸ‘ :octocat:
Appear Here Styleguide πŸ‘ :octocat:
Apple Developer Design Guidelines πŸ‘
Aragon UI πŸ‘ :octocat:
Artsy Palette πŸ‘ :octocat:
AT UIKIT πŸ‘ :octocat:
Atlassian Design Guidelines πŸ‘ πŸ‘ πŸ‘ πŸ‘Ύ
Audi UI Kit πŸ‘ πŸ‘ :octocat:
Aurora (Government of Canada) πŸ‘ πŸ‘ πŸ‘ :octocat:
Australian Government Design System πŸ‘ :octocat:
AutoGuru Overdrive πŸ‘ :octocat:
Backpack (Skyscanner) πŸ‘ πŸ‘ πŸ‘ :octocat:
Barnardo’s Design System πŸ‘ πŸ‘ :octocat:
Basis Design System πŸ‘ :octocat:
BBC GEL (Global Experience Language) πŸ‘ πŸ‘ πŸ‘
BLiP πŸ‘ :octocat:
Bold (Bridge Design System) πŸ‘ πŸ‘ :octocat:
Blueprint πŸ‘ πŸ‘ :octocat:
Braid Design System πŸ‘ :octocat:
Buildit Gravity πŸ‘ :octocat:
Bulb Design System πŸ‘ πŸ‘
BuzzFeed Solid πŸ‘ πŸ‘ :octocat:
eBay Skin πŸ‘ :octocat:
Enigma Boundless πŸ‘ :octocat:
CA Technologies Mineral UI πŸ‘ :octocat:
Cards Binary Design πŸ‘ πŸ‘ πŸ‘ :octocat:
CBRE Blocks πŸ‘ πŸ‘
Cedar πŸ‘ πŸ‘ :octocat:
Chakra UI πŸ‘ :octocat:
Cloudflare πŸ‘ :octocat:
City of Boston Fleet πŸ‘ πŸ‘ :octocat:
Co-op Design Manual πŸ‘ πŸ‘ πŸ‘ :octocat:
Contentful Forma 36 πŸ‘ πŸ‘ πŸ‘ :octocat:
Duet πŸ‘ πŸ‘
ENGIE Fluid Design System πŸ‘ πŸ‘
Estonia Country Design Guidelines πŸ‘ πŸ‘ πŸ‘
Elastic UI Framework πŸ‘ πŸ‘ πŸ‘ :octocat:
Evergreen πŸ‘ :octocat:
Figma UI Components πŸ‘ :octocat:
Financial Times Origami πŸ‘ :octocat:
Finastra Design System πŸ‘ πŸ‘ :octocat:
Firefox Photon Design System πŸ‘ πŸ‘ πŸ‘ :octocat:
Foyer Design System πŸ‘ πŸ‘ πŸ”
FutureLearn Pattern Library πŸ‘
GitHub Primer πŸ‘ πŸ‘ :octocat:
GitLab Design System - Pajamas πŸ‘ πŸ‘ πŸ‘ 🦊
Google Material Design πŸ‘ πŸ‘ πŸ‘ :octocat:
GOV.UK Design System πŸ‘ :octocat:
Help Scout πŸ‘ πŸ‘ :octocat:
Heroku Purple3 πŸ‘
Hewlett Packard grommet πŸ‘ :octocat:
HubSpot Canvas πŸ‘ πŸ‘ :octocat:
Hudl Design System πŸ‘ πŸ‘
IBM Carbon πŸ‘ πŸ‘ πŸ‘ :octocat:
IBM Design Language πŸ‘ πŸ‘
IBM Northstar πŸ‘ πŸ‘
Intuit Harmony πŸ‘ πŸ‘ πŸ‘
JetBrains Ring UI πŸ‘ :octocat:
Kalo UI πŸ‘ :octocat: Orbit πŸ‘ πŸ‘ :octocat:
Kontur πŸ‘ πŸ‘ :octocat:
Lexicon πŸ‘ πŸ‘
Lonely Planet Rizzo πŸ‘ :octocat:
Louder Than Ten Manual πŸ‘ πŸ‘
Lost My Name Design System πŸ‘
Mailchimp Content Styleguide πŸ‘
Mailchimp Patterns πŸ‘
Marvel Styleguide πŸ‘
Mesh Design System πŸ‘ πŸ‘
Mesosphere CNVS πŸ‘ :octocat:
Microsoft Fluent πŸ‘ πŸ‘ :octocat:
Mixpanel Design System πŸ‘ πŸ‘
MongoDB Design System πŸ‘ πŸ‘ :octocat:
Monzo Tone of Voice πŸ‘
Morningstar Design System πŸ‘ πŸ‘ πŸ‘
NASA Web Design System πŸ‘ :octocat:
NationBuilder Radius πŸ‘
NHS.UK Service Manual (Beta) πŸ‘ πŸ‘
Nordnet πŸ‘ πŸ‘
Nutanix Prism πŸ‘
Office UI Fabric πŸ‘ πŸ‘ πŸ‘ :octocat:
Opattern πŸ‘ πŸ‘
Oracle Alta UI πŸ‘ Group Paradigm πŸ‘ πŸ‘ πŸ‘
Pearson UX Framework πŸ‘ πŸ‘ πŸ‘ :octocat:
Pinterest Gestalt πŸ‘ :octocat:
Pivotal πŸ‘ :octocat:
Pluralsight Design System πŸ‘ :octocat:
Predix Design System πŸ‘ πŸ‘ πŸ‘
Priceline Design System πŸ‘ πŸ‘ :octocat:
Pulse Design System πŸ‘ πŸ‘ πŸ‘ :octocat:
Pusher Chameleon πŸ‘ :octocat:
Radix πŸ‘ :octocat:
Rambler πŸ‘ :octocat:
Rendition πŸ‘ :octocat:
Salesforce Lightning Design System πŸ‘ πŸ‘ πŸ‘ :octocat:
SAP Fiori πŸ‘
SAP Fundamental πŸ‘ :octocat:
SAP OpenUI πŸ‘ :octocat:
Seeds πŸ‘ πŸ‘ πŸ‘
SEEK Style Guide πŸ‘ :octocat:
Shopify Polaris πŸ‘ πŸ‘ πŸ‘ :octocat:
Stacks – Stack Overflow πŸ‘ πŸ‘ :octocat:
Starbucks Style Guide πŸ‘
Sky Toolkit πŸ‘ :octocat:
The University of Melbourne Design System πŸ‘ :octocat:
Teambition Clarity Design πŸ‘
Thumbprint πŸ‘ :octocat:
Uber's Base Web πŸ‘ :octocat:
Ubuntu Vanilla framework πŸ‘ πŸ‘ πŸ‘ :octocat:
USPTO UI Design Library πŸ‘ πŸ‘ :octocat:
uSwitch style guide πŸ‘ πŸ‘ :octocat:
U.S. Web Design Standards πŸ‘ πŸ‘ πŸ‘ :octocat:
U.S. Design System πŸ‘
VMware Clarity Design System πŸ‘ πŸ‘ πŸ‘ :octocat:
VTEX Styleguide πŸ‘ πŸ‘ :octocat:
WeWork Plasma πŸ‘
Ray by WeWork πŸ‘ :octocat:
Welcome UI πŸ‘ :octocat:
Vercel πŸ‘
Workday Canvas πŸ‘ πŸ‘ :octocat:
Yelp Styleguide πŸ‘ πŸ‘
Zendesk Garden πŸ‘ :octocat:


*Projects marked as open source may not always be open to use. Always check the license of these projects before using them.

Although 'design systems', 'ui libraries', and 'pattern libraries' are different things, they are often used interchangeably. This list contains all three.


Cover icon: 'Solar System' by Andrejs Kirma from the Noun Project

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