RightWebPage Pro is a web development tool that verifies many aspects of conformance of web sites to international standards of web engineering best practices. The conformance reports are outlined by ISO 23026:2006 standard and, according to that standard, web sites are tested for CSS, HTML and accessibility compliance. It is also a quality assurance tool that allows recording and playback of functional test cases.
ht://Check is more than a link checker. It's particularly suitable for checking broken links, anchors and web accessibility barriers, but retrieved data can also be used for Web structure mining. Uses a MySQL backend. Derived from ht://Dig.
This project is in the field of Computer Graphics. It provides C++ classes to compute accessibility shading on 3D objects. It uses ray tracing to compute accessibility values and stores the result in 2D textures maps.
Skipper is a powerful accessibility package for Linux which enables severely physically disabled people with many different conditions to make full use of applications that normally require good mouse and keyboard control.