Since I'm obsessed with tools, I've tried all of these: Basecamp TODOs, Google Spreadsheet, Lighthouse, Trac, Pivotal Tracker, GitHub Issues. I find Pivotal Tracker and Lighthouse to work best.<p>Basecamp TODOs quickly pile up and become unmanageable as ideas keep pouring in.<p>I hate Trac just because of its design and less-than-perfect attention to detail.<p>Spreadsheet is very limited when it comes to commenting, and does not allow to view tasks using different groupings/filters without interfering with others.<p>Lighthouse just feels better than GitHub Issues as a traditional bug tracker. I'd say it is the best place to store the 1000s of ideas you will have.<p>Pivotal Tracker is probably best if you're working stably, nearly full-time. I haven't been fortunate enough to work on my own projects full time so far, and the planning thing really breaks down when week-to-week progress is overly unpredictable.<p>Personally, I'd recommend to stick with Lighthouse.
What kind of tracker do you want? You could start a Redmine/Bugzilla server, or you could write one-word "to-do's" on a whiteboard. There's a lot of work to be done, and one mechanism will not solve all your needs.<p>For something in the middle, I've found that a shared Google spreadsheet with status, priority, due date, title, and description columns gets the job done with near-zero overhead. Too much effort is wasted on learning/paying for/managing more complex todo lists.<p>A simple spreadsheet can also be useful to individuals. On that note, do either or both of you have a tool you like for individual use?
Currently, Google Spreadsheet and Lazy Meter are working best for me.<p>I use Google Spreadsheets to share "to do's" with my co-founder. We have a column for priorities and my co founder set it up such that items are colored coded according to priority level.<p>And I recently started using lazy meter for my day to day to do list. I try to put down at least 5 to do's at the start of the day and try to get though them. This has been working well for me.