Based on my search until now, AdminLTE seems to be the most popular way of doing it among most devs although a few others like material and coreui are also solid names. Source: almost 4 years ago

You could have a look at AdminLTE (https://adminlte.io/). - Source: Hacker News / almost 4 years ago

AdminLTE - This is by far my favorite because their open source version is "truly" open source, because they don't hold back stuff like calendar and chart plugins to lure you to the pro version. While they do have some premium templates, it's mostly custom styling on top of the base version, not any extra features. - Source: dev.to / about 4 years ago

Looks interesting, thanks for this. Link for anyone borderline curious: https://adminlte.io/. Source: over 4 years ago

I’ll show you how to assign and change the role lists for the users, selecting them by context, and I will also show you how to expand this application’s functionality. You know how to apply your work as an administrator and developer to the new features of the well-proven apptools software complex. With the addition of an adminLTE template, you can now quickly and easily create interface interactions for any... - Source: dev.to / over 4 years ago

The real refund policy of https://wrapbootstrap.com/ is to never reply to any kind of a request for refund will within the 30 days of purchase as stated in their T&Cs. Source: almost 4 years ago

Depending on the project details it might be that you could have avoided designing the project at all and cut the costs by getting an available design from somewhere like https://wrapbootstrap.com/ . Also considering that the majority of devs are familiar with Bootstrap, that would also help your future devs and the current devs would simply move the blocks like lego. (Though not saying that is 100% your case). Source: almost 4 years ago

Normally for this kind of thing I just grab a $10 skin from wrapbootstrap.com or something and make them an mvp with the instructions to come back if they want any more features adding to it; so far only one person ever came back asking for more - usually just a basic template is everything that they need and you run the risk of annoying a family member if you turn it into too much of a pet project for yourself. ... Source: over 4 years ago

I often use bootstrap for my css framework, and use https://wrapbootstrap.com. To get themes. The csszengarden.com has been recreated to use modern css and might have some themes you want to use. Source: over 4 years ago

Decide if your boss will pay for a template. Something like https://wrapbootstrap.com/. A lot of these take bootstrap, and go a step further to customize things in a consistent way. They also provide several examples and boilerplate. I don't want to waste time writing a 404 page, but I can just use this one (just picked the first example I found on wrapbootstrap)... Source: over 4 years ago