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Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.

• overwhelmed by the response to this, I knew it was common but didn’t realise how badly people needed to see it acknowledged. fwiw, I learnt this most deeply on the react team; I joined what I thought was my dream job, and immediately failed in this fashion, leaving in a year.
  Quoting@threepointonenew post: the senior engineer death spiral https://t.co/xzgU1jVBRh a friend just started a big job and asked for some advice. so I braindumped a monologue about a super common failure mode I see with engineers and posted it here, hope it helps whoever it can.

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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• Looks like some JavaScript framework benchmarks I've seen actually
  Quoting@maria_rckswhat are we even testing anymore

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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• team decided to go all in on react. i never touched frontend stuff except for lit (don't @ me). perfect timing. thanks @odysseus0z !

  tj-zhang.com

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Engineer at Vercel Labs as of 2026. Ships a steady stream of small developer tools — agent-browser, portless, json-render, native-sdk, the v0 SDK — and lists every one of them at ctate.dev.

• New in scriptc: --𝚗𝚙𝚖-𝚜𝚝𝚊𝚝𝚒𝚌 Compile npm packages alongside your TS → One executable → Native machine code → No Node.js or JS engine This Commander example builds to 544KB

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• [1/2] https://actionnetwork.org/letters/tell-congress-pause-the-data-center-boom?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call on your congresscritter and senators to support a bill to for a moratorium on construction of data centers I suggest you eliminate the term "AI" from your letter. You might say "pretend intelligence" instead. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not

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• https://actionnetwork.org/letters/data-center-ndas?nowrapper=true https://stallman.org/actionnetwork-letter-instructions.html US citizens: call to ban NDAs about plans to build data centers. See the instructions for how to sign this letter campaign without running any nonfree JavaScript code--not trivial, but not hard.

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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• It's likely that more software will be produced next year than in all of the history of computing. It took Vercel 10 years to get to 1 billion deployments, but then we added another 1.4 billion in the last 10 months alone. Some of this will be tiny, personal and even disposable software. An HTML file with some javascript ("artifacts"), a report, a pricing calculator, a slide deck, all the way to sophisticated apps, agents and platforms. Deployment speed is one of our obsessions. We've brought down the time to deploy, upload, assign a domain and globally propagate an artifact to 1 second. This…
  Quoting@vercel_devYou and your coding agent can now use the CLI to deploy static artifacts in less than one second. ▲ ~/ vercel deploy ./my-static-site --prod

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• vite-react-template — Starter template React with Vite, React, Base UI, StyleX, TanStack, Vitest, and Testing Library. ⚡️

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• x.comWhen an “honest mistake” by an insurance company is so commonplace it can be fixed with a checkbox, yet fixing it requires a paid consultant, you have to wonder whether insurance companies exist to deliver healthcare at all.

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• MastodonWhen an “honest mistake” by an insurance company is so commonplace it can be fixed with a checkbox, yet fixing it requires a paid consultant, you have to wonder whether insurance companies exist to deliver healthcare at all.

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• Pretty incredible how the skills repo by @mattpocockuk is only 6 months old, and has more stars than the React one. We had to sit down and talk. Timestamps: 00:00 Intro 05:48 How Matt got into tech 10:14 How Matt got into open source 12:58 Joining Vercel 18:39 Total TypeScript 23:21 AI’s impact on technical education 30:32 Building reusable skills for AI coding agents 40:46 The “smart zone” vs the “dumb zone” 45:02 The wayfinder skill 47:52 Why agents excel at software engineering 50:54 “Leading words” 1:01:10 Learning the fundamentals 1:09:17 Local vs. cloud agents 1:12:36 Planning vs. cours…

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• Urgent: Raise the Wage Act

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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

• A new fast_float release... fast_float is a super fast number parser in C++ (used by GCC, MySQL, your browser...). The latest release adds support for parsing numbers following the JavaScript standard, so things like 05.1 can be accepted (!!!).

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Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.

• Quoting Laurie Voss

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Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• how did we go from it writing bad react to killing us in like 7 months
  Quoting@JoeJBentonI left Anthropic's safety team two weeks ago. Now feels like a good moment to explain why. AI companies are racing to build machines that are much smarter than any human, and we may not survive this. I want to work from the outside to ensure the public is informed about these risks, and help the wo…

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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

• Yep. Except: 1. This was about important internal tools. The team was stuck in some architecture nightmare of their own doing (writing it in rails but headless, with graphql api, and a SPA react app, constantly needing frontend engineers for changes). I call this kind of thing 'cosplaying an enterprise production app'. All that complexity was in the way and using straight rails was perfect in that case. 2. I make calls like this all the time. Usually someone on the team asks me to. They see what needs to happen but don’t want to be the bad guy. I’m happy to just make the call if I agree with…
  Quoting@ErfanEbrahimniajust leaving this here

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Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• beginner-javascript — Slam Dunk JavaScript

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• another implication of AI manifesting in real world engineering react native existed for a single reason which was to reduce the development and maintenance cost of multi-platform mobile apps. they allow you to write a single codebase (kind of) that can work on both ios and android, with a tech stack that many web devs are already familiar with but with AI being particularly good at mechanically repeating something that already exists, replicating one platform's implementation to another has become trivial in general LLMs can write a ton of code at very low cost, especially when there's a sou…

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• anti-slop — Opinionated Oxlint rules for rejecting low-evidence TypeScript and JavaScript patterns

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• homespring.js — A JavaScript interpreter for Homespring

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• StyleX (@stylexjs) is currently a hot topic. If you need a React project boilerplate that comes ready with StyleX and shadcn-style composable UI components, you can visit this repository:

  github.com

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• ansible-role-nodejs — Ansible Role - Node.js

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• djot.js — JavaScript implementation of djot

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• nestjs-otel — OpenTelemetry (Tracing + Metrics) module for Nest framework (node.js) 🔭

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Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.

• You can now share replays of your runs after you die: https://t.co/bQqDrwbaBj Also, you can use this web component https://t.co/4tdyXOIucp to play with this. Like write bots in javascript.
  Quoting@tobiI always liked nethack. This 42 year old marvel is one of the deepest adventure games ever made. It also looks like crap, at least out of the box. GPT6 Astra made a headless version for me. You can now use its brain as a library or as mcp or via javascript library. Meet

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• i built a codex-native that maps your psychology about technological change and then tells you how you'd react to different eras of technology change throughout history

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• A lot of companies are already doing this. You need really good review agents, make sure it still goes through agentic review for very critical parts of your codebase and have co-workers that are good at assessing risks, and also owning it/fixing it in case things break.
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• What do we do if moats are getting shallower? How should tech companies respond? moats are getting shallower. Used to be that you would build software and you build these really deep moats around it, make it very hard for customers to switch. but AI is increasing the power of the customer, making customers much more powerful because they can easily switch from one to the other. so how should you react if you're a tech company? If you think of the moats analogy, there are two types of ways of aligning your army: - You could be aligning your army to DEFEND, in which case you're building moats,…

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• Pete Hegseth is Losing His Grip

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• The new Go JSON API: twice as fast, or 1.5x slower?

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• A simple "copy this code" button in JavaScript

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• ShortAbsolutely loving these liquid gooey effects for React UI by Jakub Antalík! 💧 #Shorts

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• Cool stuff I found on the internet lately: https://t.co/7GEFXLCKjz - Ride along with anything in the sky https://t.co/TjFvxyaSzB - Animated icons for React https://t.co/vmx6GxjRyZ - An interactive atlas of India https://t.co/bfhqMu2JRl - What is this UI element called?

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• vscrui — A React components library for building webview-based extensions with React in Visual Studio Code.

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• pocket-stack — Monolith Go, PocketBase, React, and TanStack starter project.

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• The original sin was the belief (propagated by certain VCs) that money and finance weren't "enough" and blockchain technology had to expand to replace the entire internet. this made no sense and totally diluted the use case. fixing money and finance is the whole point
  Quoting@austincampbellI know people like to spin things in positive directions, but reading the tweet from @jessepollak and @jacqmelinek after that, I am going to give my view as an outsider: One, Base has been an outright failure. Base did not add significant new customers. There are no working products that are meanin…

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• Whichever scraper is going through my blogposts, one-by-one requesting 50-100 copies of each at the same time, once per hour, while pretending to be referred from Google and running javascript and not blocking goatcounter: Why are you doing that?

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• koffer — my 1997 high school German project (a Java applet game) ported to JavaScript

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German web developer, writer and conference speaker. Publishes the Web Weekly newsletter and blogs about the web platform at stefanjudis.com.

• Escape from Average (#note)

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• Python, Inside JavaScript, Inside a DAW

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• Shock Accounting.

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• tanstack-rsc-hmr-co-located-serverfn-repro — Minimal repro: TanStack Start RSC route component doesn't HMR when its file has a co-located createServerFn (root cause vitejs/vite-plugin-react#1248)

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• New Article Why I’m Skeptical About Efforts to Revolutionize Schooling https://t.co/vHwneQy2rU I still believe learning can be improved dramatically for motivated people. But I’ve become much less optimistic about simple solutions for fixing education at scale.

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• 👋 Will be speaking at React Nexus this year on something I've been really enjoying lately 🤫
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General partner at Andreessen Horowitz from 2013 to 2018 and CTO of Coinbase from 2018 to 2019; co-founder of Counsyl and Earn.com. Wrote The Network State (2022), free in full at thenetworkstate.com, and founded the Network School.

• Unfortunately, I completely agree that the United States of America is rapidly descending into all-out conflict between left and right. The Luigi left, Kirk killers, anti-Tesla terrorists, and Altman attackers are already in shoot-on-sight mode against conservatives, libertarians, and technologists. The right isn’t there yet; they’re called reactionaries because they only react, so they’re always one cycle behind. Thus, the left has already started shooting while the right is still “only” mirroring the lawfare of last decade’s left. But anyone can see how incandescently angry the American rig…
  Quoting@romanhelmetguyGonna try to explain this to tech CEOs again: Young Americans are pissed. They feel betrayed. Half have embraced the far right & want to cut off your access to cheap foreign labor. The other half have embraced the far left & want to cut off your head. One side will win. Choose.

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Italian software architect working on Microsoft 365, Azure and GitHub tooling. Microsoft MVP and GitHub Star; writes, speaks and streams about developer productivity at emanuelebartolesi.com.

• Fixing “Your organization has deleted this device” Without Reconnecting Everything

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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.

• match-sorter — Simple, expected, and deterministic best-match sorting of an array in JavaScript

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• Mozilla fixing more bugs in April that the past 15 months is what riding the exponential looks like 🎢

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Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.

• Testing Vue components in the browser

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German web developer, writer and conference speaker. Publishes the Web Weekly newsletter and blogs about the web platform at stefanjudis.com.

• Web Weekly #188 (#blogPost)

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Software developer and entrepreneur; co-founder of Heroku, author of The Twelve-Factor App, and a researcher at Ink & Switch.

• Been using Zero for a mid-sized personal app, syncing to both a React web front end and an Expo iOS app. Fast, easy to use, reliable. Recommended.
  Quoting@aboodmanZero to 1.0 After two years of work, 50+ releases, thousands of commits, and hundreds of bugfixes, we are officially declaring Zero stable and ready for production workloads.

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German web developer, writer and conference speaker. Publishes the Web Weekly newsletter and blogs about the web platform at stefanjudis.com.

• Web Weekly #187 (#blogPost)

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Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.

• txjs-1997 — This is the source code for the 1997 Texas JavaScript conference home page.

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Swedish essayist who writes Escaping Flatland, a newsletter of essays on relationships, thinking, writing and homeschooling.

• There's a fairly common assumption that to know yourself better, you should attend to yourself more—journal, introspect, meditate on your patterns. And there's something to this. But also. The more you make yourself an object of attention, the more you reinforce the narrating self—the self that has problems, the self that needs fixing, the self with its story of development. I notice that when I, instead, sort of forget about myself and attend deeply to the outer world (when I unself as Murdoch would say) I actually see myself more clearly in a paradoxical way. If I engage fully with somethin…

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• Hard to believe it's been 20 years... incredible! And so much has changed since then. JavaScript has moved from a fun lang dabbling in apps (Ajax) to something that has changed all of software engineering (Node, TypeScript). An amazing adventure 🚀
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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Infinite Footguns: Writing a JavaScript Interpreter in JavaScript

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Design engineer; formerly at Linear and Vercel; author of Sonner and Vaul; teaches animations.dev.

• vaul — A drawer component for React.

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Free software developer; maintainer of sway, wlroots, aerc and scdoc, and founder of the SourceHut (sr.ht) software forge.

• A better future for JavaScript that won't happen

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Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• quixe — A Glulx VM interpreter written in Javascript

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British front-end web developer based in Japan; writes about HTML, CSS, web performance and browser tooling at christianoliff.com.

• Building a Bootstrap Accordion with the details/summary HTML tags in 2025

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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.

• Patching Claude Code for debugging and /cost support for Max users

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Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.

• Poltergeist: The Ghost That Keeps Your Builds Fresh

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Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• glkote — A Javascript display library for IF interfaces

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Moroccan senior frontend developer writing at smakosh.com; builds side projects and client work under Smakosh LLC.

• vibecoded-tetris — A modern, web-based design tool built with React, TypeScript, and Canvas API. Create, edit, and manipulate shapes, text, images, and freehand drawings with a professional Figma-lik…

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British front-end web developer based in Japan; writes about HTML, CSS, web performance and browser tooling at christianoliff.com.

• Bootstrap JavaScript Snippets

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Creator of Claude Code at Anthropic.

• undux — ⚡️ Dead simple state for React. Now with Hooks support.

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Member of technical staff at Anthropic. He has led ML/AI teams at Amazon, Alibaba and Lazada, and writes about LLMs, recommender systems and engineering at eugeneyan.com.

• An LLM-as-Judge Won't Save The Product—Fixing Your Process Will

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• guitars and javascript - the case for jank

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Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.

• A Perplexing Javascript Parsing Puzzle

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Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.

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Programmer and teacher; writes on software, learning and the web, and makes the Coding Blocks video course.

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French software engineer, public speaker and fully remote nomadic worker; writes about frontend development at maxpou.fr.

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

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Front-end developer and writer on Svelte, Vue, CSS and WordPress; blogs at joshcollinsworth.com.

• pass-the-pigs-2 — A new version of my "Pass the Pigs" scorekeeper app from ~2019 React to modern SvelteKit.

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Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.

• Importing a frontend Javascript library without a build system

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Creator of Claude Code at Anthropic.

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Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.

• DaemonTest — Leak kernel memory for fun and profit!

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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• react-postgres-components — An experiment on deploying remote functions that run inside Postgres using v8

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American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.

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British front-end web developer based in Japan; writes about HTML, CSS, web performance and browser tooling at christianoliff.com.

• Popover CSS Inspector for Bootstrap 5

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

• howjavascriptworks — Programs from the book _How JavaScript Works_

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British senior engineering manager at Netlify, previously a team lead at the BBC; writes about JavaScript testing, chatbots and serverless at marclittlemore.com.

• js-unit-testing-examples — 🤓 JavaScript Unit Testing Examples

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Front-end developer and writer on Svelte, Vue, CSS and WordPress; blogs at joshcollinsworth.com.

• jammming — The capstone project of the Codecademy Pro Intensive "Build Front-End Web Apps" course. This web app uses React and the Spotify API to create and save playlists to your Spotify account.

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French software engineer, public speaker and fully remote nomadic worker; writes about frontend development at maxpou.fr.

• nest-react-graphql — A React&NestJS application that integrates with GraphQL.

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British senior engineering manager at Netlify, previously a team lead at the BBC; writes about JavaScript testing, chatbots and serverless at marclittlemore.com.

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Researcher on distributed systems and local-first software at the University of Cambridge; wrote Designing Data-Intensive Applications.

• Using Bloom filters to efficiently synchronise hash graphs

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Egyptian front-end developer and course creator; writes for CSS-Tricks, publishes courses on Udemy and blogs at alialaa.dev.

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Creator of Claude Code at Anthropic.

• React+TypeScript: Use unions of objects for props

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Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

• app.js — JavaScript application packager

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

• diskcache — Node.js cache for storing files on disk and in memory

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

• markdom — Markdown parser for Node.js

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• transformjs — Transforms JavaScript code.

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Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.

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