Use Evernote as checklists between two users. Each note has tasklist with checkboxes. User1 is note's owner, fill note with tasks and share this note to user2 User2 makes work on tasks from shared note. And after completing current task need make appropriate checkbox as completed. The problem is that user2 can change number of tasks in shared note. Feature request is - "make note's sharing so that user can change only checkbox field without ability to change note's text and other fields"