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.

LinkLocker - LinkLocker is a lightweight bookmarking service with an emphasis on privacy.

Raindrop.io - All your articles, photos, video & content from web & apps in one place.

Pinboard - Pinboard is a personal archive for things you find online and don't want to forget.

Pocket - When you find something you want to view later, put it in Pocket.

Diigo - Diigo is a powerful research tool and a knowledge-sharing community