@RealGecko decided to leave the modding scene and handed this mod over to me for continuation. Original thread is here: https://forum.kerbalspaceprogram.com/index.php?/topic/151899-ksp-131
Please note:
This version has hard dependencies
Toolbar Controller
Click Through Blocker
UICore
Tired of being lost in all those dotted trajectory lines while planning Joolian moons grand tour?
Here comes Flight Plan! The thing you were missing for very long time: