elm-native – scaffold hybrid mobile apps with Elm, Vite, and Capacitor

fetch-network-simulator — simulate latency, packet loss, retries, and concurrency limits in fetch()

Playing CSS-defined animations with JavaScript

Managing Claude Code Agents Safely at Scale

FlowSquire: a Node.js rule engine for local filesystem automation (open source)

I built a NestJS 11 foundation focusing on Clean Architecture, CQRS, and 99% Test Coverage

simple-ffmpeg: A modern FFmpeg wrapper for Node.js (zero dependencies, TypeScript support)

Battle-Testing Lynx at Allegro

Effection 4.0 - Easy path to Structured Concurrency in JavaScript

8 ML algorithms + statistics suite in ~56KB gzipped, updated my package.

Time-Travel Debugging: Replaying Production Bugs Locally

KeyframeKit: Intuitive, powerful and performant tools for working with CSS animations in JavaScript.

JSRebels: Frameworkless, tacit, functional JavaScript community on Matrix

Dwitter Beta - Creative coding in 140 characters

HCTX - a tiny (~5KB) language builder for adding client-side behavior to your HTMX pages

Visualizing how HTTPS, OAuth, Git, and TCP actually work

Bored of the plain old boring console log?

Hydroper (now Sweax iZone)'s 2015 JavaScript experience proofs

Implementing the Temporal proposal in JavaScriptCore

Physics based player controller system created with Three.js and Rapier physics.

JavaScript job task scheduler with worker threads, cron, Date, and human syntax

undent: fix annoying indentation issues with multiline strings

Show HN: Lightwave – Real-time notes app, 3.5 years of hand-rolled JavaScript

I built NationalDex - a beautiful and open-source Pokedex built with NextJs

I scanned 500 React/Vue/Angular repos for missing cleanup patterns — 86% had at least one

Made this event based real-time library on top of socket io

SOLID in FP: Open-Closed, or Why I Love When Code Won't Compile

How we rebuilt Next.js with AI in one week

Cabin - Self-hosted JavaScript and Node.js logging service

I built inup, a small cross-manager CLI, because I missed yarn upgrade-interactive

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