Tool Standards/Guidelines Platform Scope License Language(s)
508 Checker(link is external) Section 508, US federal procurement standard Online service Single web pages Free Software English
A-Tester(link is external) WCAG 2.0 Online service Single web pages, restricted or password protected pages Free Software English
A11Y Compliance Platform(link is external) WCAG 2.0, Section 508, US Federal procurement standard, RGAA, French government standard Online checker