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Bootstrap — responsive web interfaces from CSS and JavaScript building blocks

Discovery score 379.0OSS health 78
About these scores

Discovery score is an unbounded weighted, log-compressed index of stars, watchers, forks, and contributors. Growth momentum is its change over the observed period; OSS health is a 0–100 score from available repository recency, Community Health, and release data.

Stars
174,772
Primary language
MDX
License
MIT
Repository last updated
Sep 12, 2026

Overview

Bootstrap is an HTML, CSS, and JavaScript framework for responsive, mobile-first web interfaces. It distributes CSS, JavaScript, grids, utilities, and components through several package managers and release formats.

Based on official documentation; not hands-on tested · Content checked:

Adopt shared layout, styling, and interaction from distributed assets

Bootstrap supplies CSS for grids, reboot, and utilities and JavaScript for component interactions in regular, minified, and source-mapped forms. Bundled JavaScript includes Popper. Installation paths include npm, Yarn, Bun, Composer, NuGet, and release archives.

Sources: [1]

For establishing UI primitives and responsive conventions quickly

It fits admin tools, business applications, and prototypes that benefit from shared classes and behavior instead of building every layout and component from scratch. Teams may customize Sass sources or consume precompiled assets directly.

Sources: [1]

Pin the version, distribution form, and JavaScript dependencies

The default branch develops Bootstrap 5, while Bootstrap 4 lives on v4-dev. Pin a release and package channel, and account for the different Popper handling in bundled and non-bundled JavaScript. When customizing, distinguish source from generated dist files; JavaScript contributions require corresponding unit tests.

Sources: [1]

Official sources

  1. [1]Bootstrap README(2026-09-13)
Supplemental curator note

Selected for explicitly asking third-party packages to reuse the Bootstrap keyword while preserving discovery equity from its former Twitter URL.

Growth trends

Last 30 days

174,772 Stars

Trend data is still being collected.

Built with

  • MDX
  • JavaScript

Categories and tags

Categories

Tags

GitHub Topics

  • css
  • bootstrap
  • javascript
  • html
  • scss
  • css-framework
  • sass
GitHub dataView detailed GitHub data
View on GitHub
Stars
174,772
Forks
78,603
Watchers
6,618
Open issues
103
Contributors
356
Primary language
MDX
License
MIT
Repository last updated
Sep 12, 2026
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