Pocket - When you find something you want to view later, put it in Pocket.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Pegao | Save your links - Save your links, it's free and social
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Pocket Listen - Reading is hard. Listen to articles instead.
Slicki - The Wiki for Slack. Build documentation from conversation.