at-spi-linux

Overview

AT-SPI (Assistive Technology Service Provider Interface) is the Linux desktop accessibility stack - a DBus-based protocol that exposes an application's UI tree to assistive technologies (screen readers, magnifiers) and to test clients. Per the at-spi2-core README:

"AT-SPI2-Core is the core of an accessibility stack for free software systems."

It provides (atspi2coreraw) "DBus interface definitions for the Assistive Technology Service Provider Interface" plus four runtime pieces: