What are some alternatives?
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Raindrop.io - All your articles, photos, video & content from web & apps in one place.
Standard Notes - A safe place for your notes, thoughts, and life's work
Diigo - Diigo is a powerful research tool and a knowledge-sharing community
CherryTree - cherrytree – giuspen
Pearltrees - Pearltrees is a place to organize all your interests. It lets you organize, explore and share everything you like.