Bootstrap was introduced for the first time on August 19, 2011. Bootstrap is a front-end focused, free to use and share library which is used for designing websites and applications. Websites and applications that can be designed using Bootstrap are compatible with both iOS and Android.
As of August 2021, Bootstrap is the tenth most starred project on GitHub, with over 152,000 stars, behind freeCodeCamp (over328,000stars), Vue.js framework, React library, TensorFlow and others.
Bootstrap is becoming the world’s favorite front-end component library. Using Bootstrap, you can easily build responsive, mobile-first projects on the web. You can quickly prototype your unique ideas. You can build an entire application using their Sass variables, powerful plugins, extremely responsive grid system, and a lot more.