A collection of libraries and tools that help you build adaptive, accessible, and robust user experiences.

Accessible Rich Internet Applications (WAI-ARIA)

BsubTaskExecutor is a Python module designed to streamline task scheduling and management in LSF environments, offering automated job submission, real-time monitoring, and robust error handling.

Include is a tool built to make annotating for accessibility (a11y) easier—easier for designers to spec and easier for developers to understand what is required.

Pa11y is your automated accessibility testing pal

Tool to help you manage chained PRs

Trace frame rate lag with a sexy performance radar

Novel Coronavirus (COVID-19) Cases, provided by JHU CSSE

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

Screenshots with JavaScript

Port of TweetNaCl cryptographic library to JavaScript

The OWASP Cheat Sheet Series was created to provide a concise collection of high value information on specific application security topics.

Repository for ATAG Report Tool

Repository for the Scan Your Pdf community

Windows Calculator: A simple yet powerful calculator that ships with Windows

High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

A fast image processing library with low memory needs.

Accessibility Support data for various HTML, ARIA, CSS, and SVG features

Help secure Express apps with various HTTP headers

Response time header for node.js

JavaScript API for Chrome and Firefox

Make images smaller using best-in-class codecs, right in the browser.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

WAI-ARIA Authoring Practices Guide (APG)

Polyfill for `:focus-visible`

Accessibility Object Model