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Professor of international affairs at Johns Hopkins SAIS and co-author, with Abraham Newman, of Underground Empire: How America Weaponized the World Economy.

• "Perhaps the most useful role that the discipline of International Relations may play is ... as a generator of largely untestable and incompatible claims that can then help inform policy systems that are better adapted to work with many possible futures."

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Web designer and writer; founded A List Apart and Happy Cog, co-founded the An Event Apart conference, and wrote Designing With Web Standards.

• MastodonModern Font Stacks: System font stack CSS organized by typeface classification for every modern OS. The fastest fonts available. No downloading, no layout shifts, no flashes; just instant renders.

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• BlueskyModern Font Stacks: System font stack CSS organized by typeface classification for every modern OS. The fastest fonts available. No downloading, no layout shifts, no flashes; just instant renders.

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Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.

• backpass — You don't write AGENTS.md. You train it with gradient descent.

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British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.

• Class Warfare! Can I eliminate CSS classes from my HTML?

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Programmer, writer and musician; author of the Learn Code the Hard Way books and of Mongrel, the Ruby web server.

• Me whenever I use OpenGL or CSS:

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Web standards author and speaker; wrote the CSS: The Definitive Guide series and co-founded the An Event Apart conference.

• I made this floating-scrollbar #CSS demo as the result of a discussion we had in today’s Front-End Study Hall: https://codepen.io/editor/meyerweb/pen/01a0b0bd-0100-750d-8c24-745f6318896d I don’t know if it’s actually a good idea to do something like this (probably not), and it has a few styling limitations (no drop shadows or glows), but it was interesting to try to hit a design brief with clipping paths and the relatively new `shape()` value.

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Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.

• An basic idea in scaling RL: Can we allocate more compute to the harder problems? We did this: If your GRPO group has all wrong completions, sample more with probability P (~0.9) -- in search of more GRPO batches with nonzero gradient. It works! The paper:

  arxiv.org

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Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.

• New repoqr — A simple, browser-only QR code generator with SVG and PNG export

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Web designer and writer; founded A List Apart and Happy Cog, co-founded the An Event Apart conference, and wrote Designing With Web Standards.

• Bit o’ nostalgia for the old folks: A List Apart in 2002. (Design, art direction, and early CSS layout by yours truly, with a technical assist on the CSS from Tantek Çelik and Todd Fahrner, who were always smarter than me.)

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

• Has webkit ever kept CSS features under wraps until after an Apple product announcement? I can't find a single trace of anything related to viewport-segments or the device posture API coming to safari - aside from the failing WPT Could we see these APIs in the new xcode sim, or am I dreaming?

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Web designer and writer; founded A List Apart and Happy Cog, co-founded the An Event Apart conference, and wrote Designing With Web Standards.

• Bit o’ nostalgia for the old folks: A List Apart in 2002. (Design, art direction, and pioneering CSS layout by yours truly, with a technical assist on the CSS from @tantek and @toddfahrner who were always smarter than me.)

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Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.

• “You AI people are so naive, I live in the REAL world, where [I have been consistently wrong in my predictions about AI and behind the ball on every trend related to AI, routinely making little prognostications that stochastic gradient descent joyfully stomps all over.]”

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Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.

• hugo-prose — A Hugo theme derived from the XMin theme, and inspired by Wowchemy, Distill, and tufte.css

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Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.

• microlighter — A zero-dep syntax highlighter that uses the CSS Highlights API

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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-icons-css — Bootstrap Icons as CSS Variables

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

• mediarss — An RSS feed generator for media (audio/video).

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• Fun piece of history — Tailwind was extracted from a hosted checkout product I was working on back in 2017. Sort of poetic to end up at Shopify almost 10 years later!

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• Did a little CSS speedrun experiment (thanks @lea.verou.me for putting it on my feed)!

  codepen.io

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Web standards author and speaker; wrote the CSS: The Definitive Guide series and co-founded the An Event Apart conference.

• #CSS Working Group currently discussing ways to deal with “the Hampster Dance problem”.

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• Big one today — Tailwind is joining Shopify 🛍️

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

• sender-brand-icon-avatars-for-email — The .CSV used to generate the CSS for Sender Avatar Icons Browser Extension

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

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Mac and iOS developer; created NetNewsWire and MarsEdit, co-created the JSON Feed format, and blogs at inessential.com.

• inessential.com — The templates, CSS, pages, and posts that make up my blog at inessential.com.

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Principal engineer at Cloudflare as of 2026, on agents and developer tooling. Streams TypeScript, OCaml and Neovim on Twitch, and wrote the better-result library after writing the same Result type about a hundred times.

• better-result — Lightweight Result type for TypeScript with generator-based composition.

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Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.

• Your AGENTS.md is a Neural Net

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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.

• simdpcg — Vectorized version of the PCG random number generator

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Full-stack developer, creator of Tailwind CSS; writes at adamwathan.me and makes courses and screencasts for web developers.

• Last site on earth I expected to be a Tailwind site 😄

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Principal engineer at Cloudflare as of 2026, on agents and developer tooling. Streams TypeScript, OCaml and Neovim on Twitch, and wrote the better-result library after writing the same Result type about a hundred times.

• mailto-generator

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

• vitto — A minimal static site generator built with Vite and the Vento templating engine. Shipping fast Jamstack sites shouldn't be complicated.

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Full-stack developer, creator of Tailwind CSS; writes at adamwathan.me and makes courses and screencasts for web developers.

• Wait until you see what you can do when using the same CSS file to style different HTML files 🧠
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Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• bloggor — Lightweight static blog generator

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

• kalid — A compact, K-Sortable ID generator that encodes Unix millisecond timestamps into 16-character strings with optional prefixes.

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Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.

• tanstart — This is funstack, a starter template featuring TanStack libs (Start, Query, DevTools), Tailwind CSS, TypeScript, and Vite. Build for fun.

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Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.

• anbagam-ngo — Anbagam NGO website — meal donation via UPI. Built with Next.js, Tailwind, shadcn/ui.

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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.

• it's cool to read other people's takes on how to organize their CSS
  Quoting@desertthunder.devI also tried to distill my learnings as a reusable reference for myself here: garden.desertthunder.dev/ux/css/ Shout out to @b0rk.jvns.ca for being a good teacher

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Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.

• blog-cms-nextjs — Blog CMS construido con Next.js, TypeScript y Tailwind CSS

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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.

• this looks super cool, i like how in open-props-ui.netlify.app/html/compone... you can literally copy and paste all the html/css for that component (minus the base theme stuff) and it seems like a reasonable size
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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.

• moving away from tailwind, and learning to structure my CSS

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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.

• Moving away from Tailwind, and learning to structure my CSS

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Swedish designer and programmer. Designed early Spotify, worked at Facebook and Figma, and created the Inter typeface.

• mkweb — simple static website generator

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• Blueskylinks to css colour palettes jvns.ca/blog/2026/05... (from a discussion over on mastodon)

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• BlogLinks to CSS colour palettes

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• emoji-list-generator — An AI-powered CLI that turns plain bullet lists into emoji-prefixed markdown lists and copies the result to your clipboard.

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Indian software engineer working on Android and React; writes about his setup and side projects at ishubhamsingh.dev.

• shipdoc — README + Changelog generator for GitHub repos

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Independent game developer, creator of the colony simulation RimWorld and author of Designing Games: A Guide to Engineering Experiences. Previously worked on BioShock Infinite.

• The people in AI-generated videos seem conscious. Imagine a video generator that runs in real time and shows a man in an empty room. You can talk to him; he talks back. He paces around, gets bored, eats, asks questions. Is this a "video model" or a simulated universe?

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• HTML-CSS-Tutorial — Tutorial for HTML and CSS

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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.

• 3d-model-generator — Generate 3D models with AI

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

• beacon — Pattern generator for an LED strip

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Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.

• rooms-and-mazes — Animated demo code for a random dungeon generator

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Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.

• laravel-form-components — Form components built for Tailwind & Livewire.

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American front-end engineer and design-systems specialist; built the Pantsuit design system for Hillary for America and has worked at Slack and IBM.

• beyonceipsum — :crown: A lorem ipsum generator fit for a Queen

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

• I wish your bespoke React-Tailwind-etc static site generator had RSS

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Web standards author and speaker; wrote the CSS: The Definitive Guide series and co-founded the An Event Apart conference.

• csstdg4figs — The base files used to create the figures for “CSS: The Definitive Guide, 4th Edition”.

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Indonesian fullstack engineer, speaker and instructor; writes about JavaScript, SvelteKit and Linux tooling at kalwabed.com.

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Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.

• simple-lightning-css-setup — Example of minimal usage of Lightning CSS

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Co-founder and CEO of OpenAI; previously president of Y Combinator.

• Helion Needs You

  Helion has been progressing even faster than I expected and is on pace in 2024 to 1) demonstrate Q > 1 fusion and 2) resolve all questions needed to design a mass-producible fusion generator. The goals of the company ar…

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Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.

• astro-css-trickzz — Astro version of Alex Riviere's https://css-tricks.com/css-trickz-an-experiment-with-netlifys-on-demand-builders/

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

• Check out my new article for @css. "Managing WordPress Metadata in Gutenberg Using a Sidebar Plugin"

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Danish Mac developer; author of the TextMate text editor and founder of MacroMates.

• glim — Static site generator which is semi-compatible with Jekyll

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Machine-learning researcher; has written the Lil'Log survey posts on how a model technique works since 2017, and worked at OpenAI from 2018 to 2024, latterly leading its safety systems team.

• unified-gan-tensorflow — A Tensorflow implementation of GAN, WGAN and WGAN with gradient penalty.

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

• Check out my new website https://t.co/eTV1EdgqLI #CSS #CSSGrid #SVG

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

• CSS Grid Cheat Sheet https://t.co/3IBHvNMhn4 #css

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Rust engineer at Google working on Android; maintains Tokio and works on Rust in the Linux kernel.

• Introduction to Newton Fractals

  When I try to learn a new programming language, I don't write a hello world. Instead, I write a generator of newton fractals. Here's an example of a newton fractal:

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