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An open source toolkit for building responsive, mobile-first projects on the web with HTML, CSS, and JavaSсript. Enables to quickly prototype ideas or build the entire app using Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.

Learn more

First released 2011
Developed by Mark Otto (@mdo) and Jacob Thornton (@fat), a designer and a developer at Twitter
Latest stable version Bootstrap 5
Open-source Yes

Interesting facts

  • CSS frameworks began appearing in response to the proliferation of new mobile devices around 2010-2011. Bootstrap appeared a year after the launch of the first iPad in 2010.
  • Originally released in August 2011, there have since been over 20 releases, including 2 major rewrites with v2 and v3.
  • Prior to being an open-sourced framework, Bootstrap was known as Twitter Blueprint.
  • Today, it is one of the most popular front-end frameworks and open source projects in the world.

Development by Synergize.digital

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