Node.js JavaScript runtime ✨🐢🚀✨

🦔 PostHog provides open-source web & product analytics, session recording, feature flagging and A/B testing that you can self-host. Get started - free.

State-of-the-art Machine Learning for the web. Run 🤗 Transformers directly in your browser, with no need for a server!

Markdown component for React

p2p video conferencing powered by WebRTC.

An inky color scheme for prose and code.

Virtual syntax highlighting for virtual DOMs and non-HTML things

Fast gaussian blur in pure JavaScript via IIR filer

Flat, round, designer-friendly pseudo-3D engine for canvas & SVG

Scrolls an element into view if possible

Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

🌈 Display tints and shades of a given hex color in 10% increments.

🫁 The world's first open-source ventilator tested on human patients. Mass-producible at a low cost (~2000€).

small, safe, and great commonmark (optionally gfm) compliant markdown parser

Lightweight Google-searchable Slack alternative for Communities

Examples built with TensorFlow.js

C library for fast HTML escape using SSE instructions

utility to create hast trees

Parser for Slack message format

HTML5 compliant lexer

A library for working with abstract syntax trees.

JavaScript library for automatic spelling correction for Polish language

⚙️ Node.js tool for optimizing SVG files

Essential metrics for a healthy site.

Create and animate hand-drawn annotations on a web page

Code smell detector for Ruby

🎥 Make videos programmatically with React

Use libsass with Ruby!

Convert HTML to PDF by Puppeteer with support of adding a custom header, footer, and page number

Type-safe, compiled Jinja-like templates for Rust