https://ev.kde.org/whatiskdeev/
What is KDE e.V. - KDE e.V.
KDE e.V. is a registered non-profit organization that represents the KDE Project in legal and financial matters.
what is kdev
https://userbase.kde.org/Special:MyLanguage/What_is_KDE
What is KDE - KDE UserBase Wiki
what is kdeuserbase wiki