There are 2 repositories under html-include topic.
Webpack 4 + Babel + ES6 + SASS + HTML Modules + Livereload
gulp 4 ( file / script / boilerplate ) for building and developing website applications using static html , css , javascript , images and fonts in an easier and much more dynamic way.
Pure HTML template engine, no need for any other language or knowledge.
A simple Tailwind CSS + HTML Includes page builder
A simple method for including a html file with attribute and more.