Bootstrap vs Bootswatch
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A free front-end toolkit of ready-made CSS and JavaScript for building responsive websites.
Open source · MIT
A collection of free, open source visual themes that restyle Bootstrap websites.
The short answer
Choose Bootstrap if you need…
- Developers building responsive websites or web app interfaces quickly
- Teams that want a common design system with ready-made components
- Developers who prefer installing via npm, yarn, Bun, or a direct download
- Projects that need both LTR and RTL layouts, since the README says CSS supports both
Choose Bootswatch if you need…
- Developers who already use Bootstrap and want a different look quickly
- Prototypes and internal tools where a finished style matters more than a custom design
- Developers working in React, Ruby on Rails, or plain HTML who want to load a theme via CDN, npm, or a downloaded file
- Designers who want to compare Bootstrap styles before committing to one
Side-by-side
| Bootstrap | Bootswatch | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 175k | 14.7k |
| Setup difficulty | Beginner | Beginner |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | MDX | JavaScript |
| Last code update | 4 days ago | 5 months ago |
What each one is
Bootstrap
Bootstrap is a collection of HTML, CSS, and JavaScript code that gives web pages a consistent look and layout that adapts to different screen sizes. It is used by web developers who want to build interfaces faster instead of writing styles and interactive components from scratch. The README describes it as a front-end framework and points to a documentation site for details.
Bootswatch
Bootswatch is a set of ready-made color and style themes for Bootstrap, the popular toolkit for building websites. Each theme replaces Bootstrap's default look with a different design, so a site can change its appearance without rewriting its layout code. It is aimed at people who already use Bootstrap or want a quick way to style a page.
Best for
Bootstrap
- Developers building responsive websites or web app interfaces quickly
- Teams that want a common design system with ready-made components
- Developers who prefer installing via npm, yarn, Bun, or a direct download
- Projects that need both LTR and RTL layouts, since the README says CSS supports both
Bootswatch
- Developers who already use Bootstrap and want a different look quickly
- Prototypes and internal tools where a finished style matters more than a custom design
- Developers working in React, Ruby on Rails, or plain HTML who want to load a theme via CDN, npm, or a downloaded file
- Designers who want to compare Bootstrap styles before committing to one
Strengths
Bootstrap
- Widely used, with the README reporting about 175,000 stars on GitHub
- Provides both compiled and minified CSS and JS files plus source maps for debugging
- Released under the MIT license, which permits commercial use
Bootswatch
- Free and MIT licensed, so it can be used in commercial projects
- Several integration options: downloaded CSS, CDN, npm, Sass, Ruby gem, and a JSON API
- Very widely known project with a large community and a long history
Not ideal for
Bootstrap
- Projects that want a highly custom visual identity without a default look, since the framework provides a recognizable base style
- Developers who need the latest stable release today, since the default branch is for Bootstrap 6 alpha development and the README directs Bootstrap 5 users to the v5-dev branch
- Non-developers looking for a no-code website builder, since it requires editing HTML and CSS
Bootswatch
- People who do not use Bootstrap, since the themes only style Bootstrap components (reason: they require Bootstrap to work)
- Projects needing a fully custom brand design, since the themes are fixed looks rather than a design system you build from scratch
Trade-offs
Bootstrap
- The default branch is currently a Bootstrap 6 alpha, so the README's quick start pins a pre-release version (6.0.0-alpha.1)
- The README does not describe component details in depth; it points to external documentation for that
Bootswatch
- Themes depend on Bootstrap, so you must also include Bootstrap's JavaScript for dropdowns and modals to work
- The README notes that the React import method has tradeoffs and should be researched before production use
- The README is truncated here, so details such as the exact list of themes and Bootstrap version compatibility are not confirmed
Getting started
Bootstrap
Install with npm (pre-release version shown in README)
npm install bootstrap@6.0.0-alpha.1Clone the repository
git clone https://github.com/twbs/bootstrap.gitBootswatch
Install from npm
npm install bootswatchClone the repository
git clone https://github.com/thomaspark/bootswatchFrequently asked questions
What is the difference between Bootstrap and Bootswatch?
Bootstrap: A free front-end toolkit of ready-made CSS and JavaScript for building responsive websites. Bootswatch: A collection of free, open source visual themes that restyle Bootstrap websites. Bootstrap suits developers building responsive websites or web app interfaces quickly, while Bootswatch suits developers who already use bootstrap and want a different look quickly.
Are Bootstrap and Bootswatch free?
Bootstrap: Free and open source. Bootswatch: Free and open source.
Is Bootstrap or Bootswatch more popular?
Bootstrap has more GitHub stars (175k) than Bootswatch (14.7k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Bootstrap and Bootswatch?
Other options people compare them with include Tailwind CSS, Bulma, Materialize, Tabler, NES.css.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.