ARIA-AT
What it does
Tests how assistive technologies (screen readers, braille displays) respond to ARIA patterns across different browser and AT combinations. Generates reports that show whether a given ARIA authoring practice produces the expected announcements in real AT.
Who is it for
AT developers and browser vendors validating ARIA implementation correctness, accessibility spec authors, and developers who want to understand the real-world AT behaviour of specific ARIA patterns.
Where to find it
Source at github.com/w3c/aria-at.
Who is maintaining it
The W3C ARIA-AT Community Group, with participation from AT vendors and browser implementors.