Maybe Treeline[0] (a favorite of mine) or BasKet[1] (not sure if a windows version exists) suit your needs. They're both open source and more responsive than onenote.
[0] http://treeline.bellz.org/
[1] http://basket.kde.org/
Maybe Treeline[0] (a favorite of mine) or BasKet[1] (not sure if a windows version exists) suit your needs. They're both open source and more responsive than onenote.
[0] http://treeline.bellz.org/
[1] http://basket.kde.org/