Hi ha molts jocs d' eines disponibles. Per oferir una interfície d' usuari consistent i emprar un mínim de recursos, com la memòria, el & kde; tan sols pot usar un d' ells. & Qt; fou l' elegit per les raons abans mencionades.
There are a number of toolkits available. To provide a consistent user interface and to keep used resources such as memory to a minimum, & kde; can use only one of them. & Qt; was selected for the reasons mentioned above.