Admin LTE is a HTML/CSS Boostrap dashboard with plenty of settings and features
Admin LTE 3
AdminLTE is a fully responsive administration template. Based on Bootstrap 4.4 framework and also the JS/jQuery plugin. Highly customizable and easy to use. Fits many screen resolutions from small mobile devices to large desktops. Best open source admin dashboard & control panel theme. Built on top of Bootstrap, AdminLTE provides a range of responsive, reusable, and commonly used components.
AdminLTE has been carefully coded with clear comments in all of its JS, SCSS and HTML files. SCSS has been used to increase code customizability.