Discovered this great book – Windows Developer Power tools and its companion website. There are a host of open source tools here that would make the life of any developer better. I will try to post about tools as I discover them but there’s one which caught my eye straightaway: An MSI Content viewer/extractor called Less MSIerable (have to commend the choice of name :))
It is also worth taking a look at this list of most loved tools.
I’ve ordered a copy of this book from here. Can’t wait to lay my hands on it!