linksort.com
Linksort is a link saving and organization tool that provides a browser extension for one-click link saving, along with search, filtering, sorting, grouping, and favoriting functions. It offers multiple display views, machine learning-powered auto-tagging, a graph view to explore relationships between links, folder organization, and note-taking capabilities. User data is encrypted in storage and not shared with third parties, and the service is free to use and under active development.