Ben Hall

slopspotter. Detects AI-hallucinated (slopsquatted) Python packages before they get installed. CLI + stdio MCP server for AI coding agents.

agent-orchestrator. Agent IDE that enables you to manage fleets of coding agents. It comes with an agentic orchestrator that plans tasks, spawns agents, and autonomously handles CI fixes, merge conflicts, and code reviews.

beautiful-mermaid. TypeScript

fnm. 🚀 Fast and simple Node.js version manager, built in Rust

echarts. Apache ECharts is a powerful, interactive charting and data visualization library for browser

qs. A querystring parser and serializer with nesting support

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

job_postings_tracker. Change in level of job postings on Indeed since February 1, 2020

binary-synth. Audio synthesis from binary code of any file

SponsorBlock. Skip YouTube video sponsors (browser extension)

tech-job-market-dashboard. Technology job market dashboard

vite. Next generation frontend tooling. It's fast!

toon. 🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.

sorry-cypress. Open-source, free, self-hosted alternative to Cypress Dashboard

fastify. Fast and low overhead web framework, for Node.js

uv. An extremely fast Python package and project manager, written in Rust.

nuqs. Type-safe search params state manager for React frameworks - Like useState, but stored in the URL query string.

firefox. The official repository of Mozilla's Firefox web browser.

plannet. Plannet is a command-line tool that helps you stay on top of your workload and backlog from where you work, the command line

vscode-markdown-preview-enhanced. One of the "BEST" markdown preview extensions for Visual Studio Code

terminal_for_kids. TypeScript

particular-drift. Turn images into flowing particle animations. Built with js, webgl / glsl, and html5 canvas

vfx-js. WebGL effects made easy.

uBOL-home. uBO Lite home (MV3)

yjs. Shared data types for building collaborative software

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

non-ai-licenses. This repository contains software licenses that restrict software from being used in AI training datasets or AI technologies.

mermaid. Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

evilginx2. Standalone man-in-the-middle attack framework used for phishing login credentials along with session cookies, allowing for the bypass of 2-factor authentication

natural. general natural language facilities for node

minification-benchmarks. 🏃‍♂️🏃‍♀️🏃 JS minification benchmarks: babel-minify, esbuild, terser, uglify-js, swc, google closure compiler, tdewolff/minify, oxc-minify

questions-for-employers. A big collection of useful questions to ask potential employers.

react-transition-state. Zero dependency React transition state machine

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

excalidraw. Virtual whiteboard for sketching hand-drawn like diagrams

iconify. Universal icon framework. One syntax for FontAwesome, Material Design Icons, DashIcons, Feather Icons, EmojiOne, Noto Emoji and many other open source icon sets (over 200 icon sets and ~300k icons). SVG framework, React, Vue and Svelte components!

icones. ⚡️ Icon Explorer with Instant searching, powered by Iconify

web-llm. High-performance In-browser LLM Inference Engine

pico. Minimal CSS Framework for semantic HTML

globbing. Introduction to "globbing" or glob matching, a programming concept that allows "filepath expansion" and matching using wildcards.

mapnificent. Mapnificent shows you areas you can reach with public transport in a given time.

CSS3DClouds. CSS 3D Clouds

threejs-procedural-planets. Procedurally generated planets using Three.js

Russia-Ukraine. Equipment Loss Tracking

recorder. 📹 Recorder | Open-source web app to record screen and camera directly in your browser | No installation required | No tracking | Fully local | 🚀

tremor-npm. React components to build charts and dashboards

troposphere. troposphere - Python library to create AWS CloudFormation descriptions

iconoir. An open source icons library with 1600+ icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.

webgl2_fluidsim. Stable-Fluids implemented in WebGL2

moodtracker. A serverless and offline-first PWA that lets you track your mood

gpu-io. A GPU-accelerated computing library for running physics simulations and other GPGPU computations in a web browser.

d3-cloud. Create word clouds in JavaScript.

mona-sans. Mona Sans, a variable font from GitHub

metallicss. Adaptive metallic finish for CSS

checkov. Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

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

matrix. matrix (web-based green code rain, made with love)

pokemon-cards-css. A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.

uFuzzy. A tiny, efficient fuzzy search that doesn't suck

periodic-words. JavaScript

powerglitch. Tiny JS library to glitch anything on the web

GithubCity. Create a 3D city from your GitHub contributions 🏙

snd-lib. TypeScript

generative-music-web-audio. custom synthesizers, effects and compositional algorithms built in JavaScript's Web Audio API

WebGL-Tron. 3D Tron light-cycle clone in WebGL

noisecraft. Browser-based visual programming language and platform for sound synthesis.

vanta. Animated 3D backgrounds for your website

faker. Generate massive amounts of fake data in the browser and node.js

falco. Cloud Native Runtime Security

DevSecOps-MaturityModel. TypeScript

scaler. A web app that lets you play musical scales according to math equations

caninclude. CAN I INCLUDE one TAG to ANOTHER? WHAT IS A QUESTION! Yorik (c) :)

notes. GLSL

fishdraw. procedurally generated fish drawings

SS-refraction-through-depth-peeling-in-threejs. Screen space refraction through depth peeling in threejs

sequencer64. A 64-step React JS drum sequencer

pintr. Create single line illustrations from your pictures.

useStateMachine. The <1 kb state machine hook for React

dear-diary-ai. Turn your journal into music, winner in the Magenta/Gray Area ML Music Hackathon

reactive-synth. Experiment using ng-rx to build a modular synth

nomie5. Nomie v5 Source Code

condition. A 64KB WebGL Intro. Appeared in Revision 2021, PC 64KB Intro Compo

responsive-html-email-template. A free simple responsive HTML email template

established-remote. A list of established remote companies

pi-ano. Play digits of Pi on the Pi-ano

jq. Command-line JSON processor

notification-triggers. Explainer and spec for the Triggered Notifications proposal

checkout. Action for checking out a repo

setup-node. Set up your GitHub Actions workflow with a specific version of node.js

cache. Cache dependencies and build outputs in GitHub Actions

FileSaver.js. An HTML5 saveAs() FileSaver implementation

PapaParse. Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

merge-chance. Source code of https://merge-chance.info

venn7. A musical interface based on symmetric 7-set Venn diagrams

parcel-plugin-bundle-visualiser. A plugin for the parcel bundler to visualise bundle contents

compressorjs. JavaScript image compressor.

advent-of-code-2020. HCL

reading-time. :books: Medium's like reading time estimation.

poetry. Python packaging and dependency management made easy

html_wysiwyg. A truly naked, brutalist html quine

pip-licenses. Dump the license list of packages installed with pip.

analytics. Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

codrops-r3f-mirrors. Creating mirrors in react-three-fiber & threejs

perfect-arrows. Draw perfect arrows between points and shapes.

public-apis. A collective list of free APIs

recharts. Redefined chart library built with React and D3

coveragepy. The code coverage tool for Python

public-sans. A strong, neutral, principles-driven, open source typeface for text or display

inter. The Inter font family

teenyicons. Tiny minimal 1px icons designed to fit in the smallest places.

regression-js. Curve Fitting in JavaScript.

tabler-icons. A set of over 6100 free MIT-licensed high-quality SVG icons for you to use in your web projects.

NonEuclidean. A Non-Euclidean Rendering Engine for 3D scenes.

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

pydantic. Data validation using Python type hints

boto3. Boto3, an AWS SDK for Python

webnotes. :spiral_notepad: A serverless and offline-first PWA that helps you manage your notes

isort. A Python utility / library to sort imports.

pytest. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

AudioMass. Free full-featured web-based audio & waveform editing tool

speccy. Well Spectually 🤓 Enforce quality rules on your OpenAPI 3.0.x specifications.

meyda. Audio feature extraction for JavaScript.

black. The uncompromising Python code formatter

localstack. 💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

canvas-engines-comparison. Performance comparison of different canvas rendering engines.

typescript-exercises. A set of interactive TypeScript exercises

hermitage. What are the differences between the transaction isolation levels in databases? This is a suite of test cases which differentiate isolation levels.

managers-playbook. :book: Heuristics for effective management

meditation-timer. 🧘 Progressive web application for timing your meditations

react-use-infinite-loader. :infinity: :page_with_curl: :hourglass_flowing_sand: Super lightweight infinite loading hook for React apps

virtual-audio-graph. :notes: Library for declaratively manipulating the Web Audio API

markmap. Build mindmaps with plain text

church. :church: Church Encoding in JS

eri. A minimal design system

spectro. 🎶 Real-time audio spectrogram generator for the web

nodebestpractices. ✅ The Node.js best practices list (July 2026)

stryker-js. Mutation testing for JavaScript and friends

combinators-js. :bird: Some combinators

backendlore. How I write backends

clean-code-javascript. Clean Code concepts adapted for JavaScript

postgres. Postgres.js - The Fastest full featured PostgreSQL client for Node.js, Deno, Bun and CloudFlare

size-of-npm. Size of NPM

VoxelSpace. Terrain rendering algorithm in less than 20 lines of code

npmgraph.an. 2d visualization of npm

ReactShadow. :beginner: Utilise Shadow DOM in React with all the benefits of style encapsulation.

book-list. My first ReactJS app

rbush. RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles

box-intersect-benchmark. Box intersection benchmark

tesseract.js. Pure Javascript OCR for more than 100 Languages 📖🎉🖥

prism. Lightweight, robust, elegant syntax highlighting.

digital_video_introduction. A hands-on introduction to video technology: image, video, codec (av1, vp9, h265) and more (ffmpeg encoding). Translations: 🇺🇸 🇨🇳 🇯🇵 🇮🇹 🇰🇷 🇷🇺 🇧🇷 🇪🇸

paintlets. A gallery of tweakable and downloadable paint worklets!

idb-keyval. A super-simple-small promise-based keyval store implemented with IndexedDB

robcalcroft.com. :pencil2: :blue_book: My blog and homepage

rust_ray_tracer. Rust

Aerial. Apple TV Aerial Screensaver for Mac

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

react-three-fiber. 🇨🇭 A React renderer for Three.js

ogl. Minimal WebGL Library

node-jsonwebtoken. JsonWebToken implementation for node.js http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html

brave-browser. Brave browser for Android, iOS, Linux, macOS, Windows.

node-postgres. PostgreSQL client for node.js.

svgr. Transform SVGs into React components 🦁

file-type. Detect the file type of a file, stream, or data

sentiment. AFINN-based sentiment analysis for Node.js.

javascript-testing-best-practices. 📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

eslint-plugin-jsx-a11y. Static AST checker for a11y rules on JSX elements.

typescript-eslint. :sparkles: Monorepo for all the tooling which enables ESLint to support TypeScript

eslint-config-prettier. Turns off all rules that are unnecessary or might conflict with Prettier.

use-debounce. A debounce hook for react

jsPDF. Client-side JavaScript PDF generation for everyone.

awilix. Extremely powerful Inversion of Control (IoC) container for Node.JS

Apollo-11. Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

terser. 🗜 JavaScript parser, mangler and compressor toolkit for ES6+

dependabot-core. 🤖 Dependabot's core logic for creating update PRs.

dlv. Safe deep property access in 120 bytes. x = dlv(obj, 'a.b.x')

amplify-cli. The AWS Amplify CLI is a toolchain for simplifying serverless web and mobile development.

React95. A React components library with Win95 UI

react-svg-loader. A loader for webpack, rollup, babel that loads svg as a React Component

pokever. Pokémon Versioning

svgedit. Powerful SVG-Editor for your browser

exthouse. Analyze the impact of a browser extension on web performance.

RainEffect. Some experimental rain and water drop effects in different scenarios using WebGL, by Lucas Bebber.

aws-mobile-appsync-sdk-js. JavaScript library files for Offline, Sync, Sigv4. includes support for React Native

aws-extend-switch-roles. Extend your AWS IAM switching roles by Chrome extension, Firefox add-on, or Edge add-on

full-page-screen-capture-chrome-extension. One-click full page screen captures in Google Chrome

grafana. The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

CJSS. A CSS based web framework

husky. Git hooks made easy 🐶 woof!

WebGL-Fluid-Simulation. Play with fluids in your browser (works even on mobile)

dotenv. Loads environment variables from .env for nodejs projects.

kubectx. Faster way to switch between clusters and namespaces in kubectl

reflect. :eyeglasses:

pedalboard. JS Pedalboard

comlink. Comlink makes WebWorkers enjoyable.

elm-webaudio. Elm

css-only-chat. A truly monstrous async web chat using no JS whatsoever on the frontend

saythanks.io. Spreading Thankfulness in Open Source.

unleash. Open-source feature management platform

engineer-manager. A list of engineering manager resource links.