Thomas.G

tstyche. Everything You Need for Type Testing.

aube. A fast Node.js package manager

loglayer. A modern logging library for Javascript / Typescript that routes logs to various logging libraries, cloud providers, files, StatsD, and OpenTelemetry while providing a fluent API for specifying log messages, metadata and errors.

VelesDB. The local-first memory engine for AI agents. One offline Rust binary fuses vector + graph + columnar under SQL — remember / recall / why over the Model Context Protocol. why() reconnects a decision to its context across sessions, where pure vector recall (Mem0/Zep) goes blind. Runs on server, laptop, browser, edge. Zero cloud.

slowjson. Python

Understand-Anything. Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

audio. High-level audio manipulations

github-action-merge-dependabot. This action automatically approves and merges dependabot PRs

flame. Utility to generate flamegraphs

portless. Replace port numbers with stable, named local URLs. For humans and agents.

Cacheract. GitHub Actions Cache Native Malware - for Educational and Research Purposes only.

pi-self-learning. TypeScript

type-coverage. A CLI tool to check type coverage for typescript code

varlock. AI-safe .env files: Schemas for agents, Secrets for humans.

rtk. CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

git-filter-repo. Quickly rewrite git repository history (filter-branch replacement)

vmprint. This layout engine can solve the hardest layout problems imaginable. Its output is DTP grade and deterministic. It's faster than engines written in C++ because it's not traditional. Backed by game engine tech, it has a microkernel and runs a spatial-temporal simulation instead of a giant complex pagination loop.

git-secrets. Prevents you from committing secrets and credentials into git repositories

trufflehog. Find, verify, and analyze leaked credentials

mcp-server-nodejs-api-docs. MCP Server for Node.js API documentation

skills. My own collection of skills for modern Node.js development

hello-terrain. Realtime web terrain engine, for vast virtual worlds. Built for three.js and react-three/fiber.

unplugin-icons. 🤹 Access thousands of icons as components on-demand universally.

ccapture.js. A library to capture canvas-based animations at a fixed framerate

THREE.MeshLine. Mesh replacement for THREE.Line

genuary-2026. JavaScript

closed-chain-ik-js. A generalized inverse kinematics solver that supports closed chains for parallel kinematics systems, dynamic reconfiguration, and arbitrary joint configuration based on damped least squares error minimization techniques

meshing. Greedy meshing algorithm for voxel models

howler.js. Javascript audio library for the modern web.

infinite-terrain. Infinite golf field

three-perf. TypeScript

almostnode. Node.js in your browser. Just like that.

flecs. A fast entity component system (ECS) for C & C++

threejs-skills.

shannon. Shannon is an autonomous, white-box AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

hetty. An HTTP toolkit for security research.

static-analysis. ⚙️ A curated list of static analysis (SAST) tools and linters for all programming languages, config files, build tools, and more. The focus is on tools which improve code quality.

three-mesh-ui. ⏹ Make VR user interfaces for Three.js

bitECS. Flexible, minimal, data-oriented ECS library for Typescript

data-structures-in-practice-public. A hardware-aware guide to data structures for system software engineers.

git-ai. A Git extension for tracking the AI-generated code in your repos

copilot-sdk. Multi-platform SDK for integrating GitHub Copilot Agent into apps and services

superdiff. Superdiff provides a rich and readable diff for arrays, objects, texts and coordinates. It supports stream and file inputs for handling large datasets efficiently, is battle-tested, has zero dependencies, and offers a top-tier performance.

pprof-to-md. getting pprof format ingestable by LLMs

VictoriaLogs. Fast and easy to use database for logs, which can efficiently handle terabytes of logs

rnsec. Lightweight & Fast Security Scanner for React Native & Expo

openauth. ▦ Universal, standards-based auth provider.

awesome-claude-skills. A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

fnox. encrypted/remote secret manager

cc-safety-net. A coding agent CLI hook that acts as a safety net, catching destructive git and filesystem commands before they execute. Supports Codex, Claude Code, OpenCode, Gemini CLI, Copilot CLI, Kimi Code and Pi.

js-training-examples. Examples for JS trainings

import-in-the-middle. Like `require-in-the-middle`, but for ESM import

multiocular. ꙮ Review dependencies changes to prevent supply chain attack

bench-node. A powerful Node.js benchmark library

proposal-promise-lazy. Proposal for Promise.lazy(...)

packagephobia. ⚖️ Find the cost of adding a new dependency to your project

replayer. HTTP request replay and comparison tool in Rust. Replay real traffic, compare multiple environments, detect broken endpoints, generate HTML/JSON reports, and analyze latency

ebook_nodejs. Ebook - Become a Node.js developer - https://fraxken.github.io/ebook_nodejs/

flamegraph-middleware. HTTP middleware for generating CPU and Heap flamegraphs

queue. A simple and efficient framework-agnostic queue system for Node.js applications

injectable. JavaScript

opentui. OpenTUI is a library for building terminal user interfaces (TUIs)

devcontainer. developer environment for Node.js core

awesome-js-runtimes. A curated list of JavaScript/ECMAScript runtimes, app frameworks, and engines.

fastify-circuit-breaker. A low overhead circuit breaker for your routes

real-require. Keep require and import consistent after bundling or transpiling.

tinypool. 🧵 A minimal and tiny Node.js Worker Thread Pool implementation (38KB)

undici-slicer-interceptor. Makes any response cacheable, according to rules

ipaddr.js. IP address manipulation library in JavaScript

url-sheriff. validate and prevent against SSRF

otel. OpenTelemetry instrumentation library

KokoScript. 🈁 KokoScript - 日本語で書けるJavaScript風の言語

libuv-threadpool-size-test. Benchmarks for testing the impact of Node.js's `UV_THREADPOOL_SIZE` environment variable on different types of operations that use the libuv threadpool

strix. Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

music-metadata. Metadata parser for audio and video media files. Supports file and stream inputs in Node.js and browser environments, extracting format, tag, and duration information.

TypeGPU. A modular and open-ended toolkit for WebGPU, with advanced type inference and the ability to write shaders in TypeScript

bloom-filters. JS implementation of probabilistic data structures: Bloom Filter (and its derived), HyperLogLog, Count-Min Sketch, Top-K and MinHash

ghostscript4js. Ghostscript4JS binds the Ghostscript C API to the Node.JS world.

1brc.js. JavaScript

proxy-pants. Secured and reliable Proxy based utilities for more or less common tasks.

holblocking-blogpost. Blogpost on Head-of-Line blocking from HTTP/1 to HTTP/3

msgpackr. Ultra-fast MessagePack implementation with extension for record and structural cloning / msgpack.org[JavaScript/NodeJS]

js-csp. CSP channels for Javascript (like Clojurescript's core.async, or Go)

Horde. large scale crowd simulation in threejs

engine. A typescript interactive engine, support 2D, 3D, animation, physics, built on WebGL and glTF.

powerplay-threejs. Powerplay RTS original Threejs prototype

chrome-devtools-mcp. Chrome DevTools for coding agents

editor. The collaborative 3D HTML5 game maker

reporters. A collection of reporters for `node:test`

mcp. TypeScript

Spector.js. Explore and Troubleshoot your WebGL scenes with ease.

modern-tar. 🗄 Zero dependency streaming tar parser and writer for every JavaScript runtime.

pompelmi. ClamAV antivirus scanning for Node.js — scan file uploads with a single function call. Zero dependencies. Typed Symbol verdicts. Local or Docker/clamd.

npm-security-best-practices. Collection of npm package manager Security Best Practices

drei-vanilla. 🍦 drei-inspired helpers for threejs

postprocessing. A post processing library for three.js.

vanilla-colorful. A tiny color picker custom element for modern web apps (2.7 KB) 🎨

milliparsec. 🌌 Tiniest body parser in the universe. Built for modern Node.js

undici-tls-dispatcher. JavaScript

massimo. Massimo is an API SDK client and CLI tool for creating clients for remote OpenAPI or GraphQL APIs

undici-thread-interceptor. An Undici interceptor that routes requests over a worker thread

es-main. Test if an ES module is run directly (require.main replacement)

undici-cache-redis. JavaScript

pino-logfmt. Logfmt transport for pino

tasuku. ✅ タスク — The minimal task visualizer for Node.js

pkg-size.dev. 📦🔍 Find the true size of an npm package

ai-moderator. An AI-powered GitHub Action that detects and tags spam in your repository

vary. Manipulate the HTTP Vary header

velocy. A blazing fast, minimal backend framework for Node.js with 0 depenencies!

universal-user-agent. Get a user agent string in both browser and node

picomatch. Blazing fast and accurate glob matcher written JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions. Used by GraphQL, Jest, Astro, Snowpack, Storybook, bulma, Serverless, fdir, Netlify, AWS Amplify, Revogrid, rollup, routify, open-wc, imba, ava, docusaurus, fast-glob, globby, chokidar, anymatch, cloudflare/miniflare, pts, and more than 5 million projects! Please follow picomatch's author: https://github.com/jonschlinkert

mitt. 🥊 Tiny 200 byte functional event emitter / pubsub.

PixiEditor. PixiEditor is a Universal Editor for all your 2D needs

emittery. Simple and modern async event emitter

mechanic. The coolest UI for the coolest self-hosted, s3 compatible, distributed object storage service.

awesome-copilot. Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

env-var. Verification, sanitization, and type coercion for environment variables in Node.js

stats.js. JavaScript Performance Monitor

zizmor. Static analysis for GitHub Actions

ferriskey. FerrisKey is an open-source IAM solution designed for modern cloud-native environments, high-performance and written in Rust.

exporter_aad_apps. Azure AD Application Credential Monitor

subsume. Embed data in other data and easily extract it when needed

vltpkg. the vlt package manager monorepo

tz-lookup. JavaScript Library for Timezone Lookup by Location

ts-exec. Execute TypeScript on Node using SWC

Sundown. WebGPU game engine for fun and games.

php-node. PHP HTTP Request handler for Node.js

fabric.js. Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

simple-drawing-board.js. Just simple minimal canvas drawing.

tinyhttp. 🦄 0-legacy, tiny & fast web framework as a replacement of Express

kysely-tables. Use the same Kysely types for your schema, migrations and queries.

dnd-tree-view. Robust, stylable tree view widget for HTML5 apps with drag'n'drop support

js-draw. Draw pictures using a pen, touchscreen, or mouse! JS-draw is a freehand drawing library for JavaScript and TypeScript.

views-the-hard-way. JavaScript views; done as painfully as possible

fix-verbatim-module-syntax. CLI tool to auto-fix verbatimModuleSyntax errors

malibu. 🏄 Framework-agnostic CSRF middleware for modern Node.js

feluda. Detect license usage restrictions in your project!

parse-duration. convert a human readable duration to ms

nodejs-loaders. This repo provides a variety of loaders to facilitate quick and easy local development and CI testing.

node-modules-inspector. Interactive UI for local node modules inspection

pg-boss. Queueing jobs in Postgres from Node.js like a boss

mitata. benchmark tooling that loves you ❤️

dicedb. Open-source, low-latency key/value engine built on Valkey with query subscriptions and hierarchical storage tiers.

cdxgen. Creates CycloneDX Bill of Materials (BOM) for your projects from source and container images. Supports many languages and package managers. Integrate in your CI/CD pipeline with automatic submission to Dependency Track server

electron-snapshot-experiment. Speeding up Electron apps by using V8 snapshots in the main process

josk. Node.js setInterval and CRON tasks scheduler and manager for horizontally scaled multi-server applications

sqlite-vec. A vector search SQLite extension that runs anywhere!

configs. Mono-repository for tools configuration (ESLint, TSConfig)

little-date. A friendly formatter to make date ranges small & sweet

jsonschema. The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines

picoquery. A small library for parsing and serializing query strings

pinorama. Explore your logs smarter and faster 🌀 A sleek and powerful Node.js log viewer.

yalc. Work with yarn/npm packages locally like a boss.

color.js. Extract colors from an image (0.75 KB) 🎨

multipart-parser. A fast, efficient parser for multipart streams in any JavaScript environment

porffor. An ahead-of-time JavaScript compiler

project-template. CNCF Project Template

heif-converter. High performance HEIF/HEIC -> JPG/PNG convertor (N-API binding to libheif)

tsc-shame. Shame your node_modules type checking speed

regex. JS regexes ➕ future. A template tag for readable, high-performance, native JS regexes with extended syntax, context-aware interpolation, and always-on best practices.

pgsql-parser. 🐘 PostgreSQL Query Parser for Node.js

under-pressure. Process load measuring plugin for Fastify, with automatic handling of "Service Unavailable"

smol-toml. A small, fast, and correct TOML (1.1.0) parser and serializer

v8-to-istanbul. convert from v8 coverage format to istanbul's format

micromatch. Highly optimized wildcard and glob matching library. Faster, drop-in replacement to minimatch and multimatch. Used by square, webpack, babel core, yarn, jest, ract-native, taro, bulma, browser-sync, stylelint, nyc, ava, and many others! Follow micromatch's author: https://github.com/jonschlinkert

mailpit. An email and SMTP testing tool with API for developers

my-ua-parser. JavaScript

standards-positions. The Node.js Projects Official Positions on various standards proposals

node-gyp-build. Build tool and bindings loader for node-gyp that supports prebuilds

neostandard. A spiritual successor to the standardjs javascript style guide

tinybench. 🔎 A simple, tiny and lightweight benchmarking library!

autobahn-testsuite. Autobahn WebSocket protocol testsuite

argsclopts. cliclopts but for Node.js parseArgs

odiff. A very fast SIMD-first image comparison library (with nodejs API)

perftrace. Visualize Performance issues in your JavaScript Applications

dioma. Elegant dependency injection container for vanilla JavaScript and TypeScript

layered-loader. Data loader with support for caching and fallback data sources

lago. Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

spdx-correct.js. correct invalid SPDX identifiers

clamscan. A robust ClamAV virus scanning library supporting scanning files, directories, and streams with local sockets, local/remote TCP, and local clamscan/clamdscan binaries (with failover).

pg_ivm. IVM (Incremental View Maintenance) implementation as a PostgreSQL extension

professional-programming. A collection of learning resources for curious software engineers

orama. 🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

llrt. LLRT (Low Latency Runtime) is an experimental, lightweight JavaScript runtime designed to address the growing demand for fast and efficient Serverless applications.

typescript-node-series. Explore the fundamentals of Node.js with TypeScript in this ongoing series. Dive into key concepts, practical examples, and advance your skills in building robust applications

hotscript. A library of composable functions for the type-level! Transform your TypeScript types in any way you want using functions you already know.

astravel. 👟 Tiny and fast ESTree-compliant AST walker and modifier.

typehero. Connect, collaborate, and grow with a community of TypeScript developers

tsimp. JavaScript

release-please. generate release PRs based on the conventionalcommits.org spec

borp. node:test runner wrapper with TypeScript support

seqproto. Extremely fast, compact, binary serialization/deserialization for your structured data

get-cursor-position. 🐾 Get the cursor's current position in your terminal.

nodejs-bench-operations. Is X faster than Y in Node.js vX.Z?

bentocache. 🍱 Bentocache is a robust multi-tier caching library for Node.js applications

count-promises. Count promises

provenance. Details on npm provenance

reliability. Make the CI green again

menvs. Manage .env across projects

novu. The open-source communication infrastructure for agents and products