There is also this similar thread at mathoverflow: http://mathoverflow.net/questions/1785/how-do-you-keep-your-research-notes-organized http://mathoverflow.net/

There is also this similar thread at mathoverflow: http://mathoverflow.net/questions/1785/how-do-you-keep-your-research-notes-organized http://mathoverflow.net/questions/1785/how-do-you-keep-your-...