Roughly in the same space is Zotero <https://www.zotero.org/> which is intended as a way of organizing research materials but is also a great way of quickly archiving web pages you've visited, including quick tagging and full text search.
"SingleFile helps you to save a complete web page into a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera."
Another very useful project is SingleFile. I was ecstatic when I found out about its existence.
https://github.com/gildas-lormeau/SingleFile
"SingleFile helps you to save a complete web page into a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Safari, Vivaldi, Brave, Waterfox, Yandex browser, and Opera."