Pocket - When you find something you want to view later, put it in Pocket.
Raindrop for Mac - Mac app for bookmarking and reading it later
Keep Everything - Light & Fast Web Archiver for iOS, OS X.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Taggy - App for fast saving anything without losing focus
Bookself - The social reading app 📚💬