Radar check
What we found when we opened it. Every bar is one fact, with its date.
Last code pushed 26 Oct 2026, the same day before this check.
Latest release v5.3.8 on 26 Aug 2025.
Public since July 2011, a little over 15 years.
175,016 stars and 78,514 forks.
230 commits and 88 new issues in the last 90 days.
1,670 contributors. 197 pull requests merged in 90 days.
A security policy says how to report a problem. No published security advisories.
How the bars are scored
- Alive. Days since the last code push: a week or less 100, a month 90, three months 70, six months 50, a year 30, eighteen months 15, older 0.
- Releases. Age of the latest GitHub release, on a similar scale; no bar when the project publishes no releases.
- Maturity. Age of the project: eight years 100, five 90, three 70, two 55, one 40, six months 25, younger 10.
- Adoption. Stars on a log scale: 100,000 stars is 100, 10,000 is 80, 1,000 is 60, 100 is 40.
- Activity. Commits in the last 90 days: 300 or more 100, 100 85, 30 65, 10 45, any 25.
- Community. People who have contributed: 100 or more 100, 30 80, 10 60, 5 40, 2 25, one 10.
- Security. A published security policy 80, none 40; published advisories are listed, not scored.
Checked by Repo Radar on 26 Oct 2026 from the repository on GitHub.
In simple English
This is a ready-made collection of visual parts for websites, such as buttons, menus, and forms. It helps solo builders put together a clean and working page without drawing every piece from scratch. It works on phones, tablets, and desktop computers right out of the box. You do not pay anything to use it, and it runs inside your own website code. It saves you weeks of styling work, but your site might end up looking like many other sites.
What it is
Bootstrap is a front-end framework (a collection of ready-to-use design code and styling rules) containing pre-styled HTML, CSS (Cascading Style Sheets, a programming language used to describe the look and formatting of a document written in HTML), and JavaScript (a programming language that adds interactive elements to web pages) components. It provides a grid system and standard interface elements that adapt automatically to any screen size.
What it is good for
Solo builders and developers who want to launch a web application or landing page quickly without writing custom design code for every button and form field.
- Includes dozens of ready-made layout pieces like navigation bars, modals, and alert boxes.
- Adapts automatically to different screen sizes, from mobile phones to large computer monitors.
- Provides extensive documentation with copy-and-paste examples for almost every common interface need.
- Sites built with default settings often look identical to many other web applications.
- Overriding default styles with custom CSS can sometimes require fighting existing specificity rules.
- Includes many styling rules you might never use, adding extra data weight to your pages.
Writing custom CSS layout rules and interface components from scratch.
npm (a package manager for JavaScript used to install and share project dependencies).
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Lets a Python program draw a real interface inside a terminal, and serve the same thing to a browser.
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npm install bootstrap@6.0.0-alpha.1