Is bootstrap free?

bootstrap is free; bootstrap is a simple, intuitive and powerful front-end development framework based on HTML, CSS and JavaScript developed by designers "Mark Otto" and "Jacob Thornton" of the American Twitter company. After the development is completed It was released on GitHub in August 2011 and is open source and free.

The operating environment of this tutorial: Windows 10 system, bootstrap version 5, DELL G3 computer

Is bootstrap free?

bootstrap is free and open source.

Bootstrap is a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript developed by Mark Otto and Jacob Thornton, designers of the American Twitter company, to make Web development faster. Bootstrap provides elegant HTML and CSS specifications, which are written in the dynamic CSS language Less.

Bootstrap was developed by Mark Otto and Jacob Thornton of Twitter

Bootstrap is an open source product released on GitHub in August 2011.

Contents of Bootstrap package

Basic structure: Bootstrap provides a basic structure with grid system, link style, and background. This will be explained in detail in the Bootstrap basic structure section.

CSS: Bootstrap comes with the following features: global CSS settings, defining basic HTML element styles, extensible classes, and an advanced grid system. This will be explained in detail in the Bootstrap CSS section.

Components: Bootstrap contains more than a dozen reusable components for creating images, drop-down menus, navigation, alert boxes, pop-up boxes, and more. This will be explained in detail in the Layout Components section.

JavaScript Plugins: Bootstrap includes more than a dozen custom jQuery plugins. You can include all plug-ins directly or include them individually. This will be explained in detail in the Bootstrap plugin section.

Customization: You can customize Bootstrap components, LESS variables, and jQuery plugins to get your own version.

Extended knowledge:

Bootstrap is the project with the fourth highest number of "Starred" marks on GitHub. Starred more than 133,000 times and branched more than 65,000 times.

Bootstrap is compatible with the latest versions of Google Chrome, Firefox, Internet Explorer, Opera and Safari browsers, although some browsers do not support all operating systems.

Starting from version 2.0, Bootstrap supports responsive web design (RWD). Page layout can be dynamically adjusted based on the device on which the web page is displayed (desktop, tablet, mobile phone).

Starting from version 3.0, Bootstrap prioritizes mobile devices as its design guideline, placing more emphasis on responsive design.

The 4.0 alpha version adds support for Sass and Flexbox.

Bootstrap is open source software and can be found on GitHub. Developers are encouraged to participate in the project and make their own contributions to the project.

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