kmymoney : Personal finance manager based on KDE Frameworks ( https://kmymoney.org/ )
ktimetracker : Todo management and time tracker ( https://apps.kde.org/ktimetracker/ https://userbase.kde.org/KTimeTracker )
libalkimia : Library with common classes and functionality used by KDE finance applications ( https://www.linux-apps.com/content/show.php/libalkimia?content=13732 )
merkuro : Calendar application using Akonadi ( https://apps.kde.org/merkuro.calendar/ )
skrooge : Personal finances manager, aiming at being simple and intuitive ( https://skrooge.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a kde
For Paludis use this rsync : rsync://gentoo.zugaina.org/kde-portage
If you have a problem : ycarus(-at-)zugaina.org