Welcome to the home page of the KDE Accessibility Project.
You can find user documentation on UserBase:
You can find some details on individual Accessibility apps on the application pages.
Read KDE's Human Interface Guidelines https://hig.kde.org/accessibility/index.html
For technical information on how to make your application accessible please see the following TechBase pages:
Most of the above content is historic too as it's still about kdelibs4 and Qt4 based software. We're currently in the process of porting this software to KDE Frameworks 5 and Qt5.