Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Homepage.ninja - Homepage helps you to save and organize your links.
LinkAce - A selfhosted bookmark manager with advanced features.
Highlights by Learning Paths - Highlight, add private notes and tags across the web.
Pinterest - Pinterest is a visual discovery tool that you can use to find ideas for all your projects and interests.
Panelio - Panelio helps you to save and organize your links.