Pocket - When you find something you want to view later, put it in Pocket.
Instapaper - Instapaper is a simple tool to save web pages for reading later.
Taggy - App for fast saving anything without losing focus
Keep Everything - Light & Fast Web Archiver for iOS, OS X.
ArticleWise - Turn any article into a flash card, in seconds 💡📝
Raindrop for Mac - Mac app for bookmarking and reading it later