Buku - A powerful command-line bookmark manager.
Tidyfavorites - User-friendly app for your favorite bookmarks.
Shiori Bookmark Manager - Simple bookmark manager built with Go
Linkman - Linkman Pro allows for managing large amount of URLs in its own database.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Diigo - Diigo is a powerful research tool and a knowledge-sharing community