Qwiki - Find and Read Articles on Wikipedia from your Mac menu bar!
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Endless - Random and amazing Wikipedia articles.
Superdense - No text, just icons.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.