Bootstrap (front-end framework)

Bootstrap
Bootstrap
Original author(s)	Mark Otto, Jacob Thornton
Developer(s)	Bootstrap Core Team
Initial release	August 19, 2011
Stable release	5.3.6 / 5 May 2025
Repository	Bootstrap Repository
Written in	HTML, CSS, Less (v3), Sass (v4) and JavaScript
Platform	Web platform
License	MIT License (Apache License 2.0 prior to 3.1.0)
Website	getbootstrap.com

Bootstrap (formerly Twitter Bootstrap) is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML, CSS and (optionally) JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

As of May 2023^[update], Bootstrap is the 17th most starred project (4th most starred library) on GitHub, with over 164,000 stars.^[4] According to W3Techs, Bootstrap is used by 19.2% of all websites.^[5]

^ https://github.com/twbs/bootstrap/releases/tag/v5.3.6. {{cite web}}: Missing or empty |title= (help)
^ "bootstrap/LICENSE". Github.
^ "bootstrap/LICENSE (v3.0.3)". Github.
^ "Search · stars:>100000". GitHub. Retrieved December 4, 2022.
^ "Usage statistics and market share of Bootstrap for websites". w3techs.com. Retrieved January 24, 2023.

[wikidata-d7a33fc6e37cd098274279afae5454ec6fba8b1e-v18-1] ttps://github.com/twbs/bootstrap/releases/tag/v5.3.6. {{cite web}}: Missing or empty |title= (help)

[2] "bootstrap/LICENSE". Github.

[3] "bootstrap/LICENSE (v3.0.3)". Github.

[most-starred-4] "Search · stars:>100000". GitHub. Retrieved December 4, 2022.

[5] "Usage statistics and market share of Bootstrap for websites". w3techs.com. Retrieved January 24, 2023.

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