10 Open Source Website Accessibility Evaluation Tools Roundup

Open source Website accessibility Evaluation tools

A curated list of open source Website accessibility Evaluation tools that will enable automation of web accessibility testing more affordable & easier.

1. IBM Equal Access Toolkit
   The IBM Equal Access Accessibility Checker is an open source tool for web developers and auditors that utilizes IBM’s accessibility rule engine, which detects accessibility issues for web pages and web applications. The extension integrates into the browser development tools, providing an integrated checking experience, helping users quickly identify the source of accessibility issues and try fixes.
2. NAB/UBKAccessibilityKit: An iOS framework to help with accessibility development and testing.
   UBKAccessibilityKit allows you to audit your iOS app on device, removing the need to stop and inspect each element via Xcode. UBKAccessibilityKit can be added to your exisiting project and includes the following features.
   • Change text, tint and background colours live in app.
   • Warnings & Validations
   • Check colour contrast on text, tint and background colours
   • Add in custom colours using the colour hex code.
   • Swap foreground (Text & tint) colour with the background colour.
   • Brand colours;
   • Minimum size
   • Missing accessibility label
   • Missing accessibility traits
   • Missing accessibility hints
   • Missing accessibility value
   • Missing isAccessibilityElement
   • Dynamic text sizes supported
   • Show touch points on screen, handy for when you’re doing presentations or recording a video and want to show touches and swipes on screen.
   • Highlight warnings as they are detected using the “Outline warnings” feature
   • Custom the foreground or background colours. Custom the foreground or background colours.
3. Domain Accessibility Audit
   This web application automatically crawls websites and checks for accessibility violations. It can crawl within subdomains of the initial domain it starts with. It reports statistics of violations for the whole audit, domains and pages.
4. Accessibility Insights
   Assess your websites for 100% WCAG 2.0 AA coverage with the latest Trusted Tester guidelines.
5. The A11Y Machine
   The A11y Machine (or a11ym for short, spelled “alym”) is an automated accessibility testing tool which crawls and tests pages of any Web application to produce detailed reports. It validates pages against the following specifications/laws:
   • W3C Web Content Accessibility Guidelines (WCAG) 2.0, including A, AA and AAA levels (understanding levels of conformance),
   • U.S. Section 508 legislation,
   • W3C HTML5 Recommendation.
6. axe Accessibility Rules Engine by Deque Systems
   The Accessibility Engine for automated testing of HTML-based user interfaces. Drop the aXe on your accessibility defects!
7. tota11yAn accessibility visualization toolkit.
8. Automated Accessibility Testing Tool (AATT)
   Browser-based accessibility testing tools and plugins require manually testing each page, one at a time. Tools that can crawl a website can only scan pages that do not require login credentials, and that are not behind a firewall. Instead of developing, testing, and using a separate accessibility test suite, you can now integrate accessibility testing into your existing automation test suite using AATT.
9. Tanaguru
   Tanaguru is an open source (AGPL license) website assessment tool. It is dedicated to accessibility (a11y) audits, and focuses on reliability and high level
   of automation.
10. Pa11y – Your automated accessibility testing pal
    Monitor the accessibility of your websites with pa11y-dashboard, and protect against accessibility errors creeping into your codebase*.

Other Accessibility Tools

• A11yFirst for CKEditor – Accessibility First on GitHub
  This plugin adds the A11yFirst Help menu button to the editor toolbar. It compliments and provides specific information on the use of the full suite of A11yFirst plugins: Heading / Paragraph, Character Style, A11yFirst Image and A11yFirst Link.
• Editoria11y
  Editoria11y is a user-friendly accessibility “auto-correct” checker.
• Drupal
  Drupal is the open-source CMS that helps developer, marketer and agencies enhace its accessibility.
• Sa11y Ryerson Digital Media Projects – Sa11y on GitHub
  Sa11y is an accessibility quality assurance tool that visually highlights common accessibility and usability issues.
• Zettlr: Markdown Editor – Zettlr on GitHub
  Zettlr is a comprehensive editor for professionally editing Markdown files. Most YAML frontmatter variables are supported by default and help you keep your files organized.
• ATOM Plugin – web-accessibility-checker package
  The plugin provides instant feedback whether written HTML code conforms to defined rules or not.
• retextjs: retext-readability plugin
  It is a retext plugin to check readability. It detect possibly hard to read sentences.
• retextjs: retext-equality plugin
  It is a retext plugin to check for possible insensitive, inconsiderate language.
  
  

Also check few more accessibility tools list