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Bootstrap vs UIkIt: What are the differences?

Developers describe Bootstrap as "Simple and flexible HTML, CSS, and JS for popular UI components and interactions". Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web. On the other hand, UIkIt is detailed as "A lightweight and modular front-end framework for developing fast and powerful web interfaces". UIkit gives you a comprehensive collection of HTML, CSS, and JS components which is simple to use, easy to customize and extendable.

Bootstrap and UIkIt belong to "Front-End Frameworks" category of the tech stack.

Some of the features offered by Bootstrap are:

  • Preprocessors: Bootstrap ships with vanilla CSS, but its source code utilizes the two most popular CSS preprocessors, Less and Sass. Quickly get started with precompiled CSS or build on the source.
  • One framework, every device: Bootstrap easily and efficiently scales your websites and applications with a single code base, from phones to tablets to desktops with CSS media queries.
  • Full of features: With Bootstrap, you get extensive and beautiful documentation for common HTML elements, dozens of custom HTML and CSS components, and awesome jQuery plugins.

On the other hand, UIkIt provides the following key features:

  • LESS - UIkit is developed in LESS to write well-structured, extendable code which is easy to maintain.
  • Components - A collection of small, responsive components using consistent and conflict-free naming conventions.
  • Customizer - UIkit's very basic style can be extended with themes and is easy to customize to create your own look.

"Responsiveness" is the primary reason why developers consider Bootstrap over the competitors, whereas "Complete GUI" was stated as the key factor in picking UIkIt.

Bootstrap and UIkIt are both open source tools. Bootstrap with 134K GitHub stars and 66K forks on GitHub appears to be more popular than UIkIt with 14.7K GitHub stars and 2.11K GitHub forks.

According to the StackShare community, Bootstrap has a broader approval, being mentioned in 7046 company stacks & 1115 developers stacks; compared to UIkIt, which is listed in 45 company stacks and 9 developer stacks.

What is Bootstrap?

Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web.

What is UIkIt?

UIkit gives you a comprehensive collection of HTML, CSS, and JS components which is simple to use, easy to customize and extendable.
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      What are some alternatives to Bootstrap and UIkIt?
      Semantic UI
      Semantic empowers designers and developers by creating a shared vocabulary for UI.
      jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
      Express your creativity with Material, an animation and graphics framework for Google's Material Design and Apple's Flat UI in Swift.
      Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technology stack, it's easy to try it out on a small feature in an existing project.
      Foundation is the most advanced responsive front-end framework in the world. You can quickly prototype and build sites or apps that work on any kind of device with Foundation, which includes layout constructs (like a fully responsive grid), elements and best practices.
      See all alternatives
      Decisions about Bootstrap and UIkIt
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      Interest over time
      Reviews of Bootstrap and UIkIt
      Avatar of longgge
      pm at 36kr
      Review ofBootstrapBootstrap


      Review ofBootstrapBootstrap

      We have been using it for the past 3 years and have no complaints

      Review ofBootstrapBootstrap

      Good service with a good price, worth the money.

      How developers use Bootstrap and UIkIt
      Avatar of StackShare
      StackShare uses BootstrapBootstrap

      Leanstack was on Bootstrap 2. Chose this because it is wildly popular, so it’s active, has been used a lot in production, and has a ton of features. Anything you need to do from a UI perspective, there’s likely a plugin for it already part of the library. Haven’t tried the others, but we're happy with BS.

      For StackShare, we upgraded to Bootstrap 3. I don’t like that they changed the name of columns, essentially breaking the grid layout for Bootstrap 2 and below, so that was a real pain to update. I hope they don’t do that again. Once we have more bandwidth, we’re totally going to decouple our markup from Bootstrap.

      Avatar of shridhardalavi
      shridhardalavi uses BootstrapBootstrap

      Bootstrap is a framework to help you design websites faster and easier. It includes HTML and CSS based design templates for typography, forms, buttons, tables, navigation, modals, image carousels, etc. It also gives you support for JavaScript plugins. Bootstrap's responsive CSS adjusts to phones, tablets, and desktops Bootstrap is compatible with all modern browsers (Chrome, Firefox, Internet Explorer, Safari, and Opera)

      Avatar of Giovanni Candido da Silva
      Giovanni Candido da Silva uses UIkItUIkIt

      Provides common user interface like dialogs, menus, etc. Is modular and hight customisable. A part from the grid system, is not used directly, but has as layer of abstraction build with web components, and typescript as far as possible with the time and working constraints, to be reused in other projects.

      Avatar of CloudRepo
      CloudRepo uses BootstrapBootstrap

      We started with a bootstrap based template and then completely rewrote it due to poor design of the template. Using boostrap properly was a great experience - once you learn it and use it properly, it's simple to use and very good at being responsive and adapting to the various screen view.

      Avatar of Perljobs.Ru
      Perljobs.Ru uses BootstrapBootstrap

      I simply bought a "job board" template for the website, which is written using Bootstrap 2. I'm hoping to upgrade the site to Boostrap 3 when I'll have a time.

      Я просто купил шаблон для доски вакансий, написанный на Boostrap 2. Когда будет время перепишу все на Bootstrap 3.

      Avatar of Ujjwal Bhujel
      Ujjwal Bhujel uses BootstrapBootstrap

      With the advancement in CSS, Bootstrap is creating new milestones when it comes to minimising our CSS codes. So elegant and beautiful yet easy and convenient to use once you go through all the classes and its elements. In addition, its JS function is impressive too.

      Avatar of AskNicely
      AskNicely uses UIkItUIkIt

      UI Kit provides so many great features out of the box. It provides all the tools to build a rich interface with very little configuration. Many of the modules are well documented and are relevant to the common trends we are seeing on websites today.

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