Web Accessibility Tools

AChecker: Web Accessibility Verifier
CAST's eReader: Center for Applied Special Technology (CAST)
Color Contrast Checker: WebAIM's color contrast checker.
CAST's eReader: A tool that adds spoken voice, visual highlighting, document navigation, or page navigation to any electronic text.
Cynthia Says™ Portal: From HiSoftware®, a Web content accessibility validation solution, designed to identify errors in your content related to Section 508 standards and / or the WCAG guidelines.
Functional Accessibility Evaluator (FAE): University of Illinois Web page accessibility analyzer.
Siteimprove Accessibility Checker: Download Siteimprove Accessibility Checker for your Chrome extension.
NVDA: NonVisual Desktop Access (NVDA) is a free and open source screen reader for the Microsoft Windows operating system. Keyboard Shortcuts for NVDA supplied by WebAIM .
WAVE: WebAIM free web accessibility evaluation tool.
WCAG Contrast checker: A Firefox add-on. Checks the combination of colors of a Web page to see if it is appropriate for visual perception based on WCAG 1 and WCAG 2 requirements.
Web Accessibility Toolbar for IE: Browser toolbar Developed by Vision Australia to aid manual examination of web pages for various aspects of accessibility.