This is a giid example of someone who's amazing at UI/UX trying to help those planners..
It's insanely nice, done very well from a quick glance. I;m just not sure the audience you're looking for.. Not a dig at it. Just an observation from experience.
Those who I've worked with usually are either set in their ways or want something very structured. Linking, related items, cross teams etc.
Honestly I would work with this if it was a small team, 1 project, and more UI/UX guys..
Again I love the look and feel, it just seems (to me) that your audience wont accept it.
If you ever want work though, DM me. This is sensational.
Is it open source ?