Procrastination is something I still battle with but nowhere near as much as I used to, thanks mainly to GTD (Getting Things Done) by David Allen http://amzn.to/2EMLp41 (affiliate)
I also mindmap and use https://www.mindmeister.com/?r=473742 (affiliate link) I haven't used SimpleMind but there are quite a few tools out there.
Over the past couple of years I have adopted a more agile approach to my work and have been using a tool called Trello https://trello.com/ (free) to prioritise tasks etc... Trello's real power comes when you have teams collaborating and working on elements of your project.
I also mindmap and use https://www.mindmeister.com/?r=473742 (affiliate link) I haven't used SimpleMind but there are quite a few tools out there.
Over the past couple of years I have adopted a more agile approach to my work and have been using a tool called Trello https://trello.com/ (free) to prioritise tasks etc... Trello's real power comes when you have teams collaborating and working on elements of your project.