Top 20 NuGet bootstrap Packages
A Razor Class Library that provides a means to display Flash Messages in an ASP.NET Core 3.1 web application. (Razor Pages and MVC are supported.) It depends on and utilizes Twitter Bootstrap 4 for the alert CSS and HTML.
A collection of customized Twitter's Bootstrap themes that may be included into your projects. The themes support Bootstrap version 3 and some of version 4. It contains CSS files embedded as static resources that are served to client applications on demand.