Oobee (formerly known as Purple A11y) is a customisable, automated web accessibility testing tool that allows software development teams to find and fix accessibility problems to improve persons wi…

Accessibility engine for automated Web UI testing

Universal utilities for working with graphs

OpenSearch is a collection of simple formats for the sharing of search results.

🔒 Web tool to inspect SSL certificates and DNS for all domains in a webpage's request tree. Captures full network footprint via headless browser.

A custom element to display web vitals metrics on your page.

A web component to add resizing behavior to test intrinsically sized responsive components.

A curated list of free public APIs across 48 categories — searchable, community-maintained, with a free JSON API.

A list of AI agents and robots to block.

Embed the CanIUse compatibility table in your site

An automated e-mail OSINT tool

⏱ A simple method to invoke a function after the browser has rendered & painted a frame

A framework- and CMS-agnostic admin bar web component.

Markshell allows you to convert Markdown to a beautiful output on the shell, Ideal for any custom built NodeJS CLI.

tsParticles - Easily create highly customizable JavaScript particles effects, confetti explosions and fireworks animations and use them as animated backgrounds for your website. Ready to use compon…

⚛ ⚡ CLI utility for quickly creating new React components. ⚡ ⚛

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

NMEA 0183 library for the Web Serial API. Generic adapter pattern, XState state management, and framework-agnostic client API. Perfect for GPS tracking and IoT applications.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

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

Enlightened library to convert HTML and CSS to SVG

Free Weather Forecast API for non-commercial use

wallabag is a self hostable application for saving web pages: Save and classify articles. Read them later. Freely.

Finds the Above the Fold CSS for your page, and outputs it into a file

Generate audiobooks from EPUBs, PDFs and text with synchronized captions.

The customizable design system you can use anywhere

👓 Syntax Highlighting using the CSS Custom Highlight API

🥢 A minimalist-friendly ~2.2KB routing for React and Preact