Question: to do list app that can be shared?
Answer: Taskade for Chrome & Firefox. Turn your new tab into a team checklist, note, outline ⚡️✏️✅ ... 
Zenkit. The project management tool that grows with you. ... 
Wunderlist. Capture ideas, things to do and places to see. ... 
Trello. Organize anything, together. ... 
Todoist. Organize your life. ... 
Airtable. ... 
Google Keep. ... 
Notion 2.0.