Just my own experience here. I commute every day, it's a 1 hour train trip in both directions. So I get 2 hours a day just for me. There I work on a side projec

Just my own experience here. I commute every day, it's a 1 hour train trip in both directions. So I get 2 hours a day just for me. There I work on a side project. It means 8 hours a week. That's not much and a lot at the same time. The intersting thing is that I had to get used to it. Now I just do those two hours no matter what happens. It has become a routine and it's not that exhausting. Also, since 2 hours a day is not much, I have become very picky about my tools. In a one hour trip, I cannot aford to have my Eclipse to be up and running in 3 minutes => I changed editors. I cannot afford to spend 10 minutes trying to understand code I've written months ago, therefore I write my comments as I should, I write things as simple as I can. Since I only have one hour on a trip, it means I must solve my problems in that hour (if not, the time to start the task becomes too long). Therefore I choose my problems before getting in the train and I use a lot of "BUG", "FIXME" notes to put aside non urgent matters. I also don't have any web access in the train => impossible to get distracted (but then I need very good documentation to help me out when I need some information). The biggest hurdle to me is that moving from prototype to production-level takes a huge amount of time => sometimes a I set to work in the week end in order to have say 2-3 hours in a row to solve issues spanning across the whole code. About choosing tools. I've selected ruby first, but ruby + Qt is not stable enough (I cannot afford to look for a strange bug in a C++ binding). So I moved to Python where things are better in that regard. I started with Eclipse (because it had a good and free Python IDE) but it takes too long to boot => now I'm in emacs. So although I prefer Eclipse or Ruby, I've deliberately chosen other tools to shave a few minutes here and there. (3 minutes is 5% of the time I have so that's important) my ten eurocents