Outlines basically just bullet points with some extra structure. They're lists of ideas and things you want to work on. You can user outlining application such as workflowy, dynalist, or just a simple plain text writing app could do the job. Outlines are really meant to help one person — you — organize your work. Outlining apps handle the organization of your plan, so you can concentrate on the ideas.

This is how I setup my day-to-day productivity workflow. What tools that I used, and for what purpose.