Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Bookmarked - Create, share, and browse curated bookmark collections.
Linker - Cloud based bookmark manager
Salt - Fast, scalable and flexible software for data center automation
Siimpl Bookmarking - Start collecting and organizing what interests you