Concept is a responsive Bootstrap 4 admin template. It provides you with a collection of ready to use code snippets and utilities, custom pages, loads of charts, 4 different dashboard variations, a collection of applications and some useful widgets. Preview of this awesome admin template available here: https://colorlib.com/polygon/concept/index.html
Concept is licensed under The MIT License (MIT). Which means that you can use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the final products. But you always need to state that Colorlib is the original author of this template.