Tools 158 entries

Coding articles to level up your development skills

Build immersive AR and interactive 3D. Free and open.

Ace (Ajax.org Cloud9 Editor)

A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes, and proven deliverables.

Curated Agent Skills for Microsoft & Azure – giving AI coding assistants structured, real-time expertise from Microsoft Learn docs.

Production-grade engineering skills for AI coding agents.

Spec-Driven Development with AI Sub-Agents. An orchestrator + 9 specialized sub-agents for structured feature development. Zero dependencies. Pure Markdown. Works with Claude Code, OpenCode, Cursor, and more.

An opinionated framework for building sophisticated AI Agents

Research into how agentic AI coding assistants work. Reconstructed prompt patterns, agent coordination, and security classification

All the source code for the AngularJS Up & Running Book for O'Reilly

📊 Interactive JavaScript Charts built on SVG

Documentation and Samples for the Official HN API

Just a simple Christmas tree, based on reddit story

autonomous harness engineering

😎 Awesome lists about all kinds of interesting topics

A collection of projects showcasing RAG, agents, workflows, and other AI use cases

Curated list of awesome AI tools to build beautiful UI/UX.

A collection of DESIGN.md files analysis by popular brand design systems. Drop one into your project and let coding agents generate a matching UI.

Useful resources for creating apps with Electron [SUBMISSIONS ARE TEMPORARILY PAUSED BECAUSE I'M TIRED OF REVIEWING LOW-QUALITY STUFF]

A collection of hacking / penetration testing resources to make you better!

Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration.

🐢 A collection of awesome browser-side JavaScript libraries, resources and shiny things.

100+ AI Agent & RAG apps you can actually run — clone, customize, ship.

:zap: Delightful Node.js packages and resources [BECAUSE OF TOO MUCH SPAM AND LOW-QUALITY SUBMISSIONS, SUBMISSIONS ARE PAUSED UNTIL JULY]

A curated list of awesome warez and piracy links

A topic-centric list of HQ open datasets.

A curated list of amazingly awesome open source sysadmin resources inspired by Awesome PHP.

Official agent plugin providing skills and MCP server configurations for Azure scenarios.

Web Browser based control system for the RaspberryPi

bluetooth mesh chat, IRC vibes

State Management and Multiplayer Networking for Turn-Based Games

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Neural network library

Simple feed-forward neural network in JavaScript

A Browser written in JS. Free. Modular. Hackable.

Self-healing browser harness that enables LLMs to complete any task

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

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

A visual, example-driven guide to Claude Code — from basic concepts to advanced agents, with copy-paste templates that bring immediate value.

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

modest natural-language processing

World's largest Contributor driven code dataset | Used in Quark Search Engine, @OpenGenus IQ, OpenGenus Visual Project

Webpage tracking only using CSS (and no JS)

List of Computer Science courses with video lectures.

High-level guidelines for writing manageable, maintainable CSS

A simple, blazing-fast CSV parser and encoder. Full RFC 4180 compliance.

An ultra-simplified explanation to design patterns

Designer Skills Collection: agentic skills, commands, and plugins for design — from research to systems, UI, interaction, and delivery.

A science fiction desktop running on Linux. Awesome.

Dimensional is the agentic operating system for physical space. Vibecode humanoids, quadrupeds, drones, and other hardware platforms in natural language and build multi-agent systems that work seamlessly with physical input (cameras, lidar, actuators).

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

A cross-platform, customizable science fiction terminal emulator with advanced monitoring & touchscreen support.

A curated list of engineering blogs

A general purpose, real-time visualization library.

The open source operating system for AI-powered businesses

List of names from movies, tv shows and books to be used for testing during development of an application.

Fetching financial data for technical & fundamental analysis and algorithmic trading from a variety of python packages and sources.

Official inference repo for FLUX.1 models

:books: Freely available programming books

Manually curated collection of resources for frontend web developers.

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

Independent technology for modern publishing, memberships, subscriptions and newsletters.

Public facing API docs, notes and more

Git your game on!

Core library for Gladius

Generate polished résumés and CVs in HTML, Markdown, LaTeX, MS Word, PDF, plain text, JSON, XML, YAML, smoke signal, and carrier pigeon.

A javascript library for multi-touch gestures :// You can touch this

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use.

Hello world in every computer language. Thanks to everyone who contributes to this, make sure to see contributing.md for contribution instructions!

Bundler for Node/CommonJS/Web Apps

WordPress on Heroku

skill for explaining architecture

Real-time raytraced-looking WebGL interactive Marimo moss ball

Collection of publicly available IPTV channels from all over the world

JavaScript Style Guide

Instagram jQuery plugin

Must-watch videos about javascript

🛠️⚡ Step-by-step tutorial to build a modern JavaScript stack.

A lightweight JavaScript library for creating interactive maps and pretty data visualization.

[DEPRECATED] Realtime server push with node.js, WebSockets and Comet

Keen Dreams on Greenlight!

KineticJS is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.

Random pieces of knowledge — with anecdotes and quotes

Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.

Render After Effects animations natively on Web, Android and iOS, and React Native. http://airbnb.io/lottie/

A complete daily plan for studying to become a machine learning engineer.

Transform your favorite cities into beautiful, minimalist designs. MapToPoster lets you create and export visually striking map posters with code.

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

Meteor, the JavaScript App Platform

Self-hosted AI agent orchestration platform: dispatch tasks, run multi-agent workflows, monitor spend, and govern operations from one mission control dashboard.

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

[archiving soon] Yahoo! Mojito Framework

Minimal templating with {{mustaches}} in JavaScript

Web application for automatically downloading TV & Movies (w/ VPN)

A minimal Android browser with a built-in devtools panel.

simple chat demo for node

Wrapper around native traceroute command

A spatial research tool that explores using AI to augment thinking, not replace it.

Odoo. Open Source Apps To Grow Your Business.

Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT.

A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.

A web based mission control framework.

The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts into UI directly on the live canvas. A modern alternative to Pencil.

🪭 Fold up DOM elements like paper

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

The open-source app everyone uses to manage agents at work

💫 Parallax effect in javascript using face tracking. An immersive view in 3d with webcam.

torrent-stream + chromecast

A lightweight, responsive web e-book template

Fast GPIO, PWM, servo control, state change notification and interrupt handling with Node.js on the Raspberry Pi

JavaScript Library for creating random pleasing colors and color schemes

Simple animation libraries for delightful user interfaces

A port of the Processing visualization language to JavaScript.

progressbar microservice

A collective list of free APIs

📚 A public list of APIs from round the web.

Transmit data with sound using Web Audio -- Javascript binding for libquiet

π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.

Self-host n8n on Google Cloud without the subscription fees or server headaches - because your automation workflows shouldn't cost more than your coffee budget

⚡ 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.

Zero-dependency canvas shaders that can be installed from npm or designed in Paper

Public repository for Agent Skills

Monospaced font family for user interface and coding environments

💫 Toolkit to help you get started with Spec-Driven Development

A collection of services with great free tiers for developers on a budget. Sponsored by Mockoon, the best mock API tool. https://mockoon.com

JavaScript Performance Monitor

Generate UI screens from text prompts and extract their HTML and screenshots programmatically.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

ABANDONED - A web based IRC client

Apache Superset is a Data Visualization and Data Exploration Platform

A desktop app for browsing, searching, and managing CLI coding sessions

Dynamic ES module loader

Free RPA tool by AI Singapore

Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

Curated coding interview preparation materials for busy software engineers

Open-source IoT Platform - Device management, data collection, processing and visualization.

Tools of The Trade, from Hacker News.

MIT Licensed Open Source version of Torque 3D from GarageGames

An AI SKILL that provide design intelligence for building professional UI/UX multiple platforms

VexJoy AI Agent with Intelligent Routing

ViroReact is the leading library for building AR and VR experiences and applications using React Native and Expo.

The open-source AI voice studio. Clone, dictate, create.

🥷 Engineering habits you already know, turned into skills Claude can run.

🔥 Open-source web data agent optimized for structured web research

Web Starter Kit - a workflow for multi-device websites

Play with fluids in your browser (works even on mobile)

WebGL Globe is a platform for visualizing latitude longitude based information using WebGL.

A CLI dashboard for webpack dev server

:rocket: 🌪 Super-fast 3D framework for Web Applications 🥇 & Games 🎮. Based on Three.js

A Beautiful Open Source RSS & Podcast App Powered by Getstream.io

Wired Logic - a pixel based logic simulator

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface

My blog posts

🤪 A list of funny and tricky JavaScript examples

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

A JavaScript client for YouTube's internal API, known as InnerTube.