A selection of useful websites that give more information on seeing websites
KDE Accessibility Project
KDE's Usability Project
KDE Magnifier
http://www.magnifiers.org/links/Screen_Magnifiers/UNIX_Linux/
Information about magnification for low vision users.
A project in the UK has been set up to create a centralised database and support network for Open Source Assistive Technology and their site at http://fullmeasure.co.uk/Stuff/OATS/OATSIntro.html is under developement.
A wealth of information about many of the accessibility features available for Linux can be found online at:
http://www.linux.com/howtos/Accessibility-HOWTO/linuxos.shtml or