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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.

• Faster JSON parsing with SVE2 on ARM processors

  ARM processors, like those in your phone, have instructions capable of processing several elements at once (SIMD). These instructions are called NEON. But many newer processors have a different SIMD extension called SVE…

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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.

• and all it took was to add a proper extension system to claude code (sorry thariq, could not resist :D)
  Quoting@trq212We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Claude will check for and use AGENTS.md. You can toggle this behavior in /config.

  AnthropicRelated

Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.

• commonmark-hs — Pure Haskell commonmark parsing library, designed to be flexible and extensible

  CommitsCLI: remove dead currentCallStack exception handler. · CLI: report unknown extension names before reading input. · CLI: remove duplicate HasAlerts constraint.

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AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).

• mlxtend — A library of extension and helper modules for Python's data analysis and machine learning libraries.

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Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.

• "If you castrate males prior to puberty, they live about as long as females. This has been demonstrated in various species...Unfortunately, the castration approach to life extension only works if it's done while you're still a boy"

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Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.

• Quick Reads now saves multi-page websites

  As of today, Quick Reads now attempts to save all pages of the multi-page articles you save to the service. This works no matter how you save articles (browser extension, iOS app, API, or pasting into the website). For…

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Co-founder and CTO of Linear; previously an engineer at Uber.

• Anyone from @1Password here? Your extension is making Linear slower and can't have that. We'd want to dynamically enable/disable the extension via data-1p-ignore on body, but you extensions reads it only once at page load and not continuously. Fix possible?

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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.

• 👀 here's another take on browsing git history inside hunk: hunk-history (extension) ⬇️ looks pretty nice

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Software engineer and founder of Block Party; previously an engineer at Pinterest and Quora, and a co-founder of the non-profit Project Include and the tech diversity data project Where are the Numbers?

• been a little skeptical of all the ai assistants (is it just vcs who love them?) but instinct is busy handling tax extension filings in 5 different states + federal for me and i am SOLD

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Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.

• Firefox users, the Quick Reads extension is finally out! I got off my ass and just finished the damn thing, and it turned out to be pretty easy…should've done this months ago 🤦🏻‍♂️

  addons.mozilla.org

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• Development for WebMCP is going fast; now you don't need an extension anymore for testing. You can use your browser's developer tools in Chrome/Edge.
  Quoting@vesajuvonen📺 Recording of the #Copilot, #Microsoft365 & #PowerPlatform community call 3rd of September • Catch up on the latest updates ⚡ • Power Automate, SharePoint Copilot agents & WebMCP • Featuring Ian Tweedie, Katrina Frolinka & @eliostruyf +more! 🚀 📺 Watch →

  developer toolsRelated

• I've created a new #VSCode extension 🙈

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

• duckdb_motorsport_telemetry — Fast DuckDB extension and Rust parsers for Cosworth PDS, MoTeC LD, and VBOX VBO telemetry

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Indian technology consultant and writer. Former editor of Beautiful Pixels; writes about Apple hardware and Mac software at nuclearbits.com.

• Physics. Putting it there would make the adapter large and weird shaped. There’s already a bunch of them on Amazon. This version of the design makes it so it becomes an extension of whatever cable you’re connecting to it, most likely to be earphones.
  Quoting@ardnin_now that my newest phone doesn't have a headphone jack anymore I'm forced to dive into the horrible world of usb c adapters and I'm losing my mind Why does no one make adapters that just put the headphone jack directly into the usb c plug???

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• vscode-demo-time — A Visual Studio Code extension to help you script your demos

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Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.

• Building a mini Homelab that fits in my carry-on

  I'm traveling to Chicago for VCF Midwest next month. I'll be demoing NTP time history on vintage Macs, with my own GPS-derived NTP service hosted on an Xserve G5, synced via NTP or a strange AppleTalk timing extension f…

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Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.

• superlevels — A super Chrome extension I made that's safer than installing external malware/spyware-filled extensions that form a massive security risk, this one is open source and you can read and c…

  open sourceRelated

Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• vscode-helpers — The @estruyf/vscode package contains a couple of helpers to make Visual Studio Code Extension development easier.

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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.

• pi-mcp — Pi extension for OpenCode-style MCP client support

  MCPRelated

Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• vscode-command-launcher — Command Launcher - VS Code Extension

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Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.

• worklog-extension — Log work in Worklog straight from a GitHub issue or a Productive task.

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Software architect and futurist; founded ClariNet, chaired the EFF, and has written about robocars for two decades.

• San Jose Plans $13B BART Subway Extension. How About <$1B?

  Topic:&nbsp; Transportation Tags:&nbsp; forbes BART is failing, but the plan to expand it involves extravagant cost to duplicate its almost 70 year old design. New technology might serve riders for far less

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Author of The Simple Path to Wealth and of the jlcollinsnh.com stock series on index-fund investing.

• The Power of Self-Cleansing

  Photo by Andrew Keymaster on Unsplash Earlier this year I was getting a flood of concern over how dominate the tech/AI sector had become in the S&P 500, and by extension a total market ETF like VTI. In The Simple Path t…

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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.

• vscode-copilot-footprint — Copilot Footprint is a VS Code extension that estimates the environmental footprint (energy, CO₂e, water, tree equivalent, and real-world equivalents) of GitHub Copilot tok…

  Commitsfeat: Implement Usage Service, Status Bar, and Dashboard for Copilot Footprint · feat: update README and CHANGELOG, add new prompts for changelog and frontend design · feat: initialize vscode-copilot-footprint extension

  energyRelated

Web infrastructure engineer and standards editor; chaired the IETF HTTP working group and co-authored core HTTP and Atom specifications.

• feedmenu-extension — A browser extension for Feed Menus

  CommitsRemove discovery permission diagnostics now that it's confirmed working · Drive discovery off tabs.onUpdated, drop the webNavigation dependency · Pad the toolbar icon and add a `make safari-run` target

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Lawyer and everyday-carry gear reviewer who publishes scored knife, flashlight and multitool reviews at Everyday Commentary.

• The Ferrari Luce and Bad Design

  We interrupt our regularly scheduled programming for this design-related emergency. If you want to see how to do a brand extension with a new product correctly, look to the CRKT Squid II. If you want to see how to destr…

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Security researcher; built Report URI and Security Headers, and writes about web security in practice.

• Passkeys, Permissions Policy and Bug Hunting in 1Password's WebAuthn Wrapper

  Passkeys are the best thing to happen to web authentication in years, but a passkey ceremony is only as secure as the stack enforcing it. The browser, the relying party, the authenticator, and any extension sitting betw…

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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.

• chrome-edge-extension-github-copilot-render — A Chrome and Edge extension that makes GitHub Copilot customization files easier to read directly on GitHub.

  Commitschore: remove redundant code blocks from changes section · feat: enhance file type detection and restore UI enhancements · feat: update versioning and add changelog and prompts for README creation

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

• Preliminary Support for Typst in knitr

  A few weeks ago I added preliminary support for Typst to knitr. The way it works is simple: if your file has the extension .Rtyp, knitr will recognize it as a Typst document, knit it, and produce a .typ output file. The…

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

• JSON-Alexander — A really good JSON viewer browser Extension

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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.

• pi-telegram — Telegram DM bridge extension for pi

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Mac and iOS developer; founder of Red Sweater Software (MarsEdit, FastScripts) and co-host of the Core Intuition podcast.

• Just posted @marsedit 5.4 with native macOS Versions support, Share Extension improvements, and a bunch of bug fixes.

  redsweater.com

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Swiss full-stack developer working mostly with Laravel and Vue; author of the widely used git-auto-commit-action GitHub Action.

• asana-expander-extension — Browser Extension to automatically expand long comments in Asana

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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.

• pi-stuff — Open-source Pi extensions that I use.

  CommitsCleaner README · test: colocate extension tests under extension folders · docs: rename hypothetical output sections to example output

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Software engineer who worked on Chrome and Polymer at Google, and writes about the web, emoji and Elm at meowni.ca.

• Hi! I made a Chrome extension that highlights creeps from the Epstein emails. Depending on how much news you read on your computer, enabling it might be really depressing.

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AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).

• watermark — An IPython magic extension for printing date and time stamps, version numbers, and hardware information

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Writer and researcher on China, technology and industry; author of Breakneck, research fellow at Stanford, known for a widely read annual letter.

• A fun extension of by the lawyerly society by @Tom_Westgarth15: "The UK is closer to resembling a ‘managerial paralysis’: a surplus of managers, lawyers, HR staff and generalist consultants can tie internal bureaucracies in knots, rather than litigation"

  tomwestgarth.substack.com

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Polyglot and language coach; teaches translating back and forth from a text as the core exercise.

• Sound Like a Native & Perfect Your Pronunciation

  Have you ever dreamed of speaking Polish, French, or Italian with a flawless accent—just like a native? You picture yourself walking through Kraków, Paris, or Rome, effortlessly rolling your R’s and nailing every vowel.…

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Co-founder and chief science officer of Hugging Face; writes about open models and where he thinks the field is wrong.

• I shared a controversial take the other day at an event and I decided to write it down in a longer format: I’m afraid AI won't give us a "compressed 21st century" Here: thomwolf.io/blog/scienti... It's an extension of this interview discussion from the AI summit:

  youtu.be

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Software engineer working on distributed systems and databases; creator of rqlite, the distributed database built on SQLite.

• rqlite -- the lightweight, user-friendly distributed database built on @golang , Raft consensus, and SQLite -- release 8.29 is out now with more baked-in SQLite extensions, and even easier Extension management.

  github.com

  SQLiteRelated

Language mentor and polyglot; teaches people to design their own learning method rather than follow a course.

• How to learn a language effectively

  Have you been trying to learn a language for years but still can’t use it effortlessly? Are you putting a lot of energy into it but still aren’t seeing real results? Do you feel like everyone else speaks a second langua…

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

• vscode-extension-maxpou — You can author your README using Visual Studio Code. Here are some useful editor keyboard shortcuts: Split the editor (Cmd+\ on macOS or Ctrl+\ on Windows and Linux) Toggle…

  Commitsfeat: first commit

  LinuxRelated

Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.

• GhostSocialCasper — An extension to the Ghost Casper theme, adding a sidebar and social navigation links

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Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.

• OpenTabCount — The OpenTabCount Firefox extension.

  Commitsadding license

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Writer and web developer; founding editor of Lifehacker, co-creator of ThinkUp and of the todo.txt format.

• greasemonkey-multi-script-compiler — Compiles multiple Greasemonkey user scripts into a standalone Firefox extension, based heavily on Anthony Lieuallen's (single) script compiler.

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