re: Ecco Pro outliner<p>Maybe Treeline[0] (a favorite of mine) or BasKet[1] (not sure if a windows version exists) suit your needs. They&#x27;re both open source and more responsive than onenote.<p>[0] <a href="http:&#x2F;&#x2F;treeline.bellz.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;treeline.bellz.org&#x2F;</a><p>[1] <a href="http:&#x2F;&#x2F;basket.kde.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;basket.kde.org&#x2F;</a>