There are so many little apps that do one part of managing personal knowledge well. It's hard to find something that really manages it all well... the way YOU w

There are so many little apps that do one part of managing personal knowledge well. It's hard to find something that really manages it all well... the way YOU want to manage YOUR knowledge. Todo lists, messaging, calendar, notes, bookmarks all seem to fit... as does some kind of project management. So many tries over the years, and every time, some part is so bad that you end up throwing out the whole.