Flat UI

New York, United States

Flat UI is a free design framework and theme for Bootstrap.

According to our data, Flat UI ranks 36th among the user interface frameworks we track.
It has 0.02% of the UI framework market share and is detected on 0.009% of all websites.

💸 Pricing

Flat UI is available for free.

Free ✔️Open source

📊 Rankings and Market Share

🏆 Flat UI Awards

⚡ Sites Built With Flat UI

We have data on 291 websites that use Flat UI technology. Here is a list of some of the top ranked ones.

The highest rated site using Flat UI is nebraska.gov.

#WebsiteRankCountryLanguage
1 nebraska.gov #5,705 United States American English
2 ex-fs.net #44,933 Russia Russian
3 daraz.pw #46,729 Cambodia English
4 x-mol.com #58,991 China Chinese
5 receptneked.hu #81,698 Hungary Hungarian
6 porapoparam.com #95,377 Ukraine Russian
7 daraz.cc #97,155 English
8 rosasidan.ws #97,643 Samoa Swedish
9 resq-club.com #102,163 English
10 chocobonplan.com #103,460 France French
11 sidefx.com #108,051 Canada English
12 televen.com #111,424 Spain Spanish
13 panahon.gov.ph #121,996 Philippines English
14 tandem.co #123,347 United States English
15 messentools.com #124,192 Spanish
16 envertecportal.com #143,720 English
17 opencellid.org #157,163 India English
18 tcu.es #192,928 Spain Spanish
19 ourhouse-grief.org #230,225 American English
20 nicepigeon.com #233,017 United States Chinese

📈 Usage Statistics

Most of the sites that use Flat UI:

Most of the sites using Flat UI are from the United States, Germany, and the United Kingdom.

  • United States 19.5%
  • Germany 8%
  • United Kingdom 7.2%
  • Japan 6%
  • Australia 4%
  • Canada 4%
  • France 3.6%
  • India 3.2%
  • Spain 2.8%
  • Other 41.7%

Most Flat UI users speak English, Spanish, or Japanese.

  • English 59.5%
  • Spanish 4.8%
  • Japanese 4.8%
  • German 4.5%
  • Russian 3.5%
  • Chinese 2.4%
  • French 2.1%
  • Portuguese 1.7%
  • Vietnamese 1.7%
  • Other 15%

Flat UI technology is especially popular on .com and .org top-level domains.

  • .com 42.6%
  • .org 9.3%
  • .net 4.1%
  • .de 3.4%
  • .co.uk 3.1%
  • .com.au 2.7%
  • .jp 1.7%
  • .ca 1.4%
  • .it 1.4%
  • Other 30.3%

The primary market segments for websites utilizing Flat UI include business, marketing and merchandising, and Internet services.

  • Business 24.2%
  • Marketing/Merchandising 13.6%
  • Internet Services 10.6%
  • Online Shopping 7.6%
  • Entertainment 7.6%
  • Education/Reference 4.5%
  • Blogs/Wiki 4.5%
  • Software/Hardware 4.5%
  • Recreation/Hobbies 4.5%
  • Other 18.4%

🧩 Flat UI Editions

The most widespread edition of Flat UI is Pro, used by 7.2% of sites.

  • Pro 7.2%
  • Unknown 92.8%

🕵️ Similar Technologies

These are some of the best Flat UI alternatives.

RankName
1
Bootstrap
San Francisco, California, United States

An open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter.

FreeOpen source
3
Tailwind CSS
Kitchener, Ontario, Canada

An open-source utility-first framework that provides low-level CSS classes for building user interfaces directly in markup.

FreeOpen source$149+
4
Foundation
Campbell, California, United States

An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins.

FreeOpen source
59
Blazorise
Dugopolje, Croatia

An UI component library for Blazor that provides over 80 prebuilt, production-ready visual elements for building .NET web applications.

FreeOpen source€59+/developer/month
61
BlazorBootstrap
Hyderabad, India

An open-source component library for Blazor built on top of the Bootstrap CSS framework that provides prebuilt UI elements for .NET web applications.

FreeOpen source

🆚 Compare Alternatives

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💬 Frequently Asked Questions

Where is Flat UI's headquarters?

Flat UI is located in New York, United States.

Is Flat UI free?

Yes, it is a free user interface framework.
It is also an open source solution, and you can access its source code on GitHub.

Which country uses Flat UI the most?

The majority of Flat UI users are from the United States.

Who uses Flat UI?

According to our data, Flat UI is used on hundreds of sites, including such established ones as nebraska.gov, ex-fs.net, and daraz.pw.

Is Flat UI used on government websites?

Yes, for example, it is used by nebraska.gov and panahon.gov.ph. In total, we found Flat UI on 2 government sites in the United States.

How does Flat UI stack up against its competitors?

Flat UI is a moderately popular user interface framework, ranking ahead of 28 other user interface frameworks we track.

What are the alternatives to Flat UI?

Alternatives and possible competitors to Flat UI may include Bootstrap, Blazorise, and BlazorBootstrap.

👉 See Also

Statistics were last calculated on .
For details, see our methodology and disclaimer.