With the year KDE got a lot of websites, some of then are not updated anymore or not used anymore.
== Already killed ==
https://quality.calligra.org/
== Can be killed now ==
https://rekonq.kde.org/
https://necessitas.kde.org/
https://accessibility.kde.org -> redirect to https://community.kde.org/Accessibility
https://necessitas.kde.org/ -> redirect to https://community.kde.org/Phonon
== Need information to be moved to the wiki first ==
https://multimedia.kde.org/
https://utils.kde.org WIP
https://games.kde.org/
https://edu.kde.org/
== Not sure ==
https://evolve.kde.org/