ThemeForest - Abstack v1.0 - Responsive Bootstrap 4 Web App Kit - 20939790

Abstack is a fully responsive and featured admin template built using bootstrap 4 (beta 2), html5, css3 and jquery. It comes with many pretty UI components, widgets, etc. Both the layouts are available (vertical and horizontal). Its set of re-usable components would help you to easily build customized pages.