Glossary

Searchable terminology from accessibility, web standards, and related fields.

27 results found in Accessibility Tools.

Accessibility Checker (Accessibility Evaluation Tool, Accessibility Scanner, A11y Checker)
An accessibility checker is a software tool that analyzes web content to identify potential barriers for people with disabilities, typically by testing against established guidelines such as WCAG or S…
Accessibility Crawler (automated accessibility crawler, app crawler for accessibility)
An automated tool that systematically explores an application's user interface—by simulating taps, swipes, and navigation—to discover screens and UI components and then evaluate each against accessibi…
Accessibility Scanner (Google Accessibility Scanner, Android Accessibility Scanner)
A testing tool developed by Google that scans Android app screens for common accessibility issues. The scanner checks for problems such as missing content descriptions on interactive elements, insuffi…
Accessmonkey
Accessmonkey was a 2007 client-side scripting framework, built on Greasemonkey for Mozilla Firefox, that let users and developers run site-specific JavaScript to repair inaccessible web pages on the f…
Blackboard Ally (Ally)
A commercial accessibility-checking and alternative-format-generation service from Anthology (Blackboard) that integrates with learning management systems such as Blackboard Learn, Canvas, Moodle, and…
Brickfield Accessibility Toolkit (Brickfield Toolkit)
An accessibility scanning and reporting tool for Moodle developed by Brickfield Education Labs. It is distributed on a freemium model: a community-edition set of scanners is integrated into the Moodle…
Coh-Metrix
A web-based tool developed at the University of Memphis that analyses text on more than a hundred measures of language, cohesion, and readability, including referential and semantic cohesion, lexical …
Cursor Locator (Pointer Locator, Cursor Finder, Find My Cursor)
A software utility that helps users find the position of their mouse pointer on screen when it has been lost from view. Cursor locators typically activate through a keyboard shortcut or by detecting p…
Distraction Blocker (Focus app, Website blocker, Digital self-control tool, DSCT)
A category of digital well-being software designed to restrict access to distracting applications, websites, or notifications so that users can sustain focus on work or study. Distraction blockers ran…
ELAN (EUDICO Linguistic Annotator)
A free, open-source annotation tool developed at the Max Planck Institute for Psycholinguistics for creating, editing, and searching multi-tier, time-aligned annotations on video and audio recordings.…
Figma
Figma is a browser-based collaborative design tool widely used for UI/UX design, prototyping, and design-system management. Its real-time multi-user editing, component libraries, and developer-handoff…
FilterKeys (Filter Keys, Key Repeat Filter)
An operating system accessibility feature that adjusts keyboard response to ignore brief or repeated keystrokes, helping users with motor disabilities who may accidentally press keys multiple times or…
Graphviz (DOT, Graphviz DOT)
An open-source graph visualization software suite that renders structural representations of graphs and networks from the DOT text specification language. DOT files describe nodes, edges, attributes, …
Mermaid (Mermaid.js)
An open-source JavaScript-based diagramming and charting tool that renders diagrams from a Markdown-inspired text specification language. Mermaid supports flowcharts, sequence diagrams, class diagrams…
OCR (Optical Character Recognition) (OCR, Optical Character Recognition, Text Recognition)
A computer-vision technology that converts images of printed, handwritten, or on-screen text into machine-readable character data. OCR is foundational to a wide range of accessibility tools: extractin…
Pa11y
An open-source automated accessibility testing tool that runs from the command line and in continuous-integration pipelines. Pa11y can drive either axe-core or HTML CodeSniffer as its underlying rule …
Programming by Example (PBE, Programming by Demonstration)
A technique in end-user programming where a system infers a generalizable program from concrete examples provided by the user, rather than requiring the user to write code directly. In accessibility c…
Signbank (Auslan Signbank)
An online dictionary and lexical database for a sign language, typically providing video or image entries for each sign along with metadata such as handshape, region, and usage examples. Auslan Signba…
SlowKeys (Slow Keys)
An accessibility feature that requires a key to be held down for a specified minimum duration before the keypress is accepted by the system. SlowKeys helps users with motor disabilities who frequently…
StickyKeys (Sticky Keys)
An operating system accessibility feature that allows users to press modifier keys (Shift, Ctrl, Alt/Option, Command) and have them remain active until the next key is pressed, rather than requiring s…