Notion is the all-in-one workspace. From notes, tasks, wikis, to database, Notion is all you need. Works great for teams and individuals. Available in the browser, iOS, Mac, and Windows.
Coda is a new type of document that blends the flexibility of documents, the power of spreadsheets, and the utility of apps into a single new canvas.
Dropbox Paper is a place where you and your team can generate ideas together over an internet connection. Share any type of content, make changes to what you already have and get notified when someone else makes suggestions. The creativity flow has always better when teamwork.