Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Better Notes - Simple notes app that ties notes together with #hashtags
Pocket - When you find something you want to view later, put it in Pocket.
Whimsical - The visual workspace for teams.
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Great F*cking Startup Advice - Strongly worded suggestions for startup founders