9 Keys
is a program for Windows PCs that facilitates the use of keyboards for people with disabilities. This program turns the numeric keypad (NumPed) into a small keyboard that has letters and numbers.

PC Braille Keyboard
is a program for Windows PCs that facilitates the use of the keyboard for people with disabilities. This program turns computer keyboard into 6-dot braille keyboard.

Magnifier
This app for android is designed especially for people with vision problems and is very suitable for one-handed use. In addition to the strip and buttons at the bottom of the screen, users can zoom by sliding up and down with one finger on the screen. An innovation is that the volume buttons can be used to zoom in and out. The app is completely free and ad-free..