If you need an open source Bootstrap 4 admin dashboard, this is the one you need : Many components, very carefully designed and under the MIT license... A very good job.
clean design and well crafted. MIT license
Hope you can fix the cons because overall, this panel admin is very great. Waiting for new update =)
Working great with newest bootstrap. Clean design.
Bad at long sidebar menu when minimize to icon because it can't scrolled without some manipulating code use css or jquery.