Crystal Dashboard is a beautiful React Bootstrap Dashboard for multi-purpose usage.
CoPilot is a fully responsive admin template that is forked from AdminLTE.
Vuestic Admin is a Responsive admin dashboard template built with Vue.js and Bootstrap 4.
ModularAdmin is a free dashboard theme built on Bootstrap 4
Vuetify Admin Dashboard is a beautiful resource built over Vuetify and Vuex.
Material admin template is absolutely free for commercial usage theme, that uses google's implementation of material design.