Hypershoot - Bookmarking tool made for designers
start.me - A Modern-day bookmark manager. A place for your favorites. A news feed (RSS) reader. A browser startpage. A portal for your team.
Basket - A note taking application for KDE. Lots of features.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Linkpack - Save, read and share your links
Pocket - When you find something you want to view later, put it in Pocket.