* [axe-core v4.12.0](https://github.com/dequelabs/axe-core) – Accessibility testing engine for websites and HTML-based user interfaces.

* [Accessible Astro Components v5.3.0](https://github.com/incluud/accessible-astro-components) – Collection of accessible UI components designed for Astro projects with built-in ARIA attributes and keyboard navigation.

* [BaseUI v1.5.0](https://github.com/mui/base-ui) – Unstyled UI component library for building accessible user interfaces.

* [cauldron v7.0.0](https://github.com/dequelabs/cauldron) – Accessible component library and styling package for creating inclusive user experiences.

* [Webstudio 0.268.0](https://github.com/webstudio-is/webstudio) – Open source visual development platform for developers and designers that allows full control over data and infrastructure.

* [DB UX Design System v3 v4.10.0](https://github.com/db-ux-design-system/core-web) – Design-token and component library supplying CSS/SCSS/Tailwind styles plus Angular, React, and Vue web components.

* [Micromodal.js 0.6.2](https://github.com/micromodal/Micromodal) – Tiny, dependency-free library for creating accessible modal dialogs.

* [KoliBri 4.2.0](https://github.com/public-ui/kolibri) – Flexible, reusable web components providing accessible, semantic, and valid HTML compositions based on web standards.

* [React Spectrum react-aria-component...](https://github.com/adobe/react-spectrum) – React implementation of Adobe's design system providing adaptive and accessible components for user interfaces.

* [Ariakit @ariakit/test@0.6.0](https://github.com/ariakit/ariakit) – Toolkit for building accessible web applications with React.

* [Input 0 v0.6.0](https://github.com/10xChengTu/input0) – macOS tool that records via hotkey, performs local STT, refines text with an LLM, and auto-pastes into the active input field.

* [Angular Primitives v0.120.0](https://github.com/ng-primitives/ng-primitives) – Headless, composable primitives for building accessible Angular UI components.

* [Accessible Astro Starter v5.2.2](https://github.com/incluud/accessible-astro-starter) – SEO and accessibility-focused starter template for building inclusive websites with modern web standards.

* [Accessibility Agents v5.4.0](https://github.com/Community-Access/accessibility-agents) – Automated agents enforcing WCAG 2.2 AA accessibility across Claude, GitHub Copilot, Gemini, Codex, and MCP platforms.

* [Paragon v23.22.0](https://github.com/openedx/paragon) – Pattern library with accessible React components and SCSS foundation based on Bootstrap for learning platforms.

* [Sa11y 5.0.5](https://github.com/ryersondmp/sa11y) – Accessibility quality-assurance JavaScript plugin highlighting content accessibility and usability issues in-page with fix tooltips.

* [equal-access 4.0.19](https://github.com/IBMa/equal-access) – Tools and components for automated accessibility testing and guidance across development phases.

* [Zag @zag-js/dom-query@1....](https://github.com/chakra-ui/zag) – JavaScript API implementing common component patterns using state machines for accessible UI components.

* [Headless Tree @headless-tree/react...](https://github.com/lukasbach/headless-tree) – React library for customizable, accessible, and scalable tree components with drag-and-drop, search, and keyboard support.

* [React-Accordion v1.4.2](https://github.com/szhsin/react-accordion) – Unstyled, accessible accordion components and hooks for React with WAI-ARIA compliance, keyboard support, animations, SSR, and TypeScript types.

* [Pa11y CI 4.1.1](https://github.com/pa11y/pa11y-ci) – Accessibility test runner for Continuous Integration environments using Pa11y.

* [Instructure UI v11.7.3](https://github.com/instructure/instructure-ui) – React-based UI framework and design system with components used in educational products.

* [wc-datepicker v0.12.0](https://github.com/Sqrrl/wc-datepicker) – Small, accessible, customizable TypeScript-based datepicker with single and range selection.

* [LaunchPad @launchpad-ui/compon...](https://github.com/launchdarkly/launchpad-ui) – Modern, accessible design system providing React components, icons, and design tokens for building consistent user interfaces.

* [Handless v0.2.10](https://github.com/ElwinLiu/handless) – macOS desktop speech-to-text supporting local and cloud transcriptions, voice activity detection, and LLM-based post-processing.

* [@vuetify/v0 v1.0.0-beta.0](https://github.com/vuetifyjs/0) – Meta framework offering headless, TypeScript-native components and composables for building UI libraries and design systems.