And another one that has been around for about 5 years: C-SAW (Community Supported Accessible Web) from Serotek. This service is bundled with an AT called System Access. Although it only appears to be available (there is a dearth of information about C-SAW) with this commercial product there are over 4000 sites tagged with extra information to enhance accessibility for System Access users. When it was first announced Serotek offered other AT companies such as Freedom Scientific (JAWS) and GW Micro (Window Eyes) the opportunity to provide the C-SAW service as an open standards along with their products, but the offer was rejected.
Anyway, in the process of researching this post I found a post on Blind Confidential that covered all the aspects of the topic I wanted to talk about, and then some. So rather than duplicate information here I suggest that you read this post:
Over the past week or so, I’ve seen two announcements proclaiming new technologies for community driven projects to label non-compliant web sites that work poorly with screen readers. Adding these to C-Saw from Serotek which has been around for years makes three systems that total to superfluous and counterproductive sectarian standards that should be harmonized as quickly as possible to provide the entire community with a unified database standard so, no matter the AT they choose, all will enjoy similar results…”