Carbon is a free admin template based on Bootstrap 4.
Vali is a free, modular and easy to customize admin theme built using Bootstrap 4, SASS and Pug.js.
Charisma is a Free, premium quality, responsive, multiple skin admin template.
Bootstrap Fluent Design UI KIT inspired by Microsoft design system.
NG PI Admin is a basic admin template created with Angular, Typescript and Bootstrap.
The React version of the Free Admin Bootstrap Theme SB Admin.