Linkwarden is a free, open-source bookmark manager that lets you save, organize, and preserve webpages. It can automatically archive pages as screenshots, PDFs, and HTML files, includes browser extensions and mobile apps, supports collaboration, and can be self-hosted for complete control over your data.

GitHub: https://github.com/linkwarden/linkwarden

More details: https://digitalescapetools.com/tools/tool.html?id=linkwarden