GeezerVison

Find and fix problems in your JavaScript code.

The React Framework

Nonprofit, open-source platform to post, vote, and deliberate, with no ads and no algorithms. React frontend, a GraphQL API, and a MongoDB backend, making it approachable for contributors familiar with modern JavaScript frameworks.

the package manager for JavaScript

Yoast SEO for WordPress

Lightweight, robust, elegant syntax highlighting.

A mighty CSS linter that helps you avoid errors and enforce conventions.

Layer5, expect more from your infrastructure

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

The AMP web component framework.

A pure JavaScript implementation of git for node and browsers!

The React Framework

Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager. | Actively sponsored by our friends at TestMu AI

Less. The dynamic stylesheet language.

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

Solid server on top of the file-system in NodeJS

Fast and low overhead web framework, for Node.js

Concise, consistent, and legible badges in SVG and raster format

Dynamic quote generator for your GitHub readmes | Give a poetic touch to readmes

⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require minimal maintenance using AWS Lambda and other managed cloud services.

Beautifier for javascript

The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

The Ember.js command line utility.

A full-featured, open-source content management framework built with Node.js that empowers organizations by combining in-context editing and headless architecture in a full-stack JS environment.

The React documentation website

Civic Tech & Data AI For Good project. Tracks prosecutor election messaging, mass incarceration indicators, and historical context. Utilizes Agentic AI for data scraping.

Integrate React.js with Rails views and controllers, the asset pipeline, or webpacker.

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

A BPMN 2.0 rendering toolkit and web modeler.

A fancy self-hosted monitoring tool

A logger for just about everything.

A node.js library for testing modern web applications

Automated auditing, performance metrics, and best practices for the web.

React-based framework with performance, scalability, and security built in.

String validation

View the Physics. PhysicsHub is a free open-source project, perfect for contributions, that helps students study physics by visualizing formulas with interactive simulations.

An open-source JavaScript library for world-class 3D globes and maps :earth_americas:

Search UI components for React and Vue

AlaSQL.js - JavaScript SQL database for browser and Node.js. Handles both traditional relational tables and nested JSON data (NoSQL). Export, store, and import data from localStorage, IndexedDB, or Excel.

Node.js JavaScript runtime ✨🐢🚀✨

Universal select/multiselect/tagging component for Vue.js

Web-based XMPP/Jabber chat written in JavaScript