Mind map architect program is good tool for brainstorming for single person just as for team. Mind mapping tools can be usable for todo lists, notes, or work planning.
Command line todo list app with urgency-based highlighting
I coded Rodoo for personal use initially, then cleaned it up, named it, and I've put it up here for everybody. I find that it is most useful when set to run in your ~/.bash_profile (a task the installer handles). I plan to make a Windows version, as well, don't hold your breath.