🆚 Calcite Design System vs. Fluent
- 📈 Fluent is much more popular than Calcite Design System.
- 🌍 Fluent is more popular in all countries.
Type
About
Calcite Design System is a collection of design and development resources for creating beautiful, easy-to-use, and cohesive experiences across apps. It includes a UI kit, icons, color schemes, and a web component library with UI elements.
Fluent Design System is Microsoft's cross-platform design language that defines how user interfaces should look and behave across 
Windows, web, and mobile applications.
It uses a unified set of design tokens for colors, spacing, icons, and typography, and supports adaptive layouts for different screen sizes.
Headquarters
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- ⭐ 7th most popular in the United States in the Design Systems category.
- ⬆️ 41st most popular in the United States in the UI Frameworks category.
- 🥈 Second most popular in Canada in the Design Systems category.
- 🥉 Third most popular in Germany in the Design Systems category.
- 🥉 Third most popular in the United Kingdom in the Design Systems category.
- ⭐ 5th most popular in the United States in the Design Systems category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Italia Design System
USWDS
GOV.UK Design System
Singapore Government Design System
Carbon Design System
Material Design
Codex🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.