at-spi2-atk : Gtk module for bridging AT-SPI to Atk ( https://wiki.gnome.org/Accessibility )
at-spi2-core : D-Bus accessibility specifications and registration daemon ( https://wiki.gnome.org/Accessibility )
caribou : Input assistive technology intended for switch and pointer users ( https://wiki.gnome.org/Projects/Caribou )
orca : Extensible screen reader that provides access to the desktop ( https://wiki.gnome.org/Projects/Orca )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a chrisadr
For Paludis use this rsync : rsync://gentoo.zugaina.org/chrisadr-portage
If you have a problem : ycarus(-at-)zugaina.org