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Bootstrap logo

Bootstrap

The original CSS framework for responsive, mobile-first sites

As of 29 August 2026, Bootstrap is free to use. The CSS framework that made responsive design routine. Softwr lists it under Web Development. Bootstrap is available on Web.

Overview

What Bootstrap does

Bootstrap is an open-source CSS framework, originally built at Twitter, that popularised responsive mobile-first layout. It provides a grid system, a set of prebuilt components — navbars, modals, forms, cards — and JavaScript behaviours for the interactive ones. Its enduring appeal is speed to a working interface without design decisions. Its enduring criticism is that sites built with defaults look like each other, which is exactly the trade utility-first frameworks such as Tailwind were created to change.

What people use it for

  • Getting an internal tool or admin panel looking presentable quickly
  • Prototypes where design time is not available
  • Teams without a dedicated designer who need consistent, accessible defaults

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Bootstrap.

  • Default styling is recognisable, so sites can look generic without deliberate customisation
  • Ships a large stylesheet, and unused CSS must be purged to keep payloads reasonable
  • Component-based approach fits less naturally into React and Vue codebases than libraries designed for them

Cross-shopped

What people choose instead of Bootstrap

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

  • Bootstrap logo
    Bootstrap
    vs
    Tailwind CSS logo
    Tailwind CSS

    Tailwind CSS: Utility-first rather than component-first, trading speed to first render for design control

Pricing

What Bootstrap costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

Bootstrap

Free

  • Full library
  • Commercial use permitted
  • No usage limits

Capabilities

Features

  • Responsive grid

    A twelve-column mobile-first layout system

  • Prebuilt components

    Navbars, modals, forms, cards and alerts ready to use

  • Sass customisation

    Override variables to change theme without fighting the cascade

  • No jQuery dependency

    Modern versions use plain JavaScript

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

Is Bootstrap free?

Yes, open source under the MIT licence and free for commercial use.

Bootstrap or Tailwind CSS?

Bootstrap gives finished components and gets you working fastest. Tailwind gives utility classes and more design control, at the cost of building components yourself.

Does Bootstrap still need jQuery?

No. Modern versions dropped the jQuery dependency and use plain JavaScript.

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Softwr does not host reviews and shows no star rating for Bootstrap, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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