Notepin - Extremely simple note-taking + blogging ✍️
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Bit.ai - Bit is a smart real-time document collaboration platform for teams to create interactive documents, manage digital content and track document insights.
Better Notes - Simple notes app that ties notes together with #hashtags
Airborn - Create and edit documents online without sacrificing your privacy