Bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application.
Readeck is a simple web application that lets you save the precious readable content of web pages you like and want to keep forever. See it as a bookmark manager and a read later tool.
A self-hosted bookmark management tool. It allows organization with tags, groups, and a list specifically for later access. It supports multiple users with 2FA. Companion browser extensions are available for Firefox and Chrome.