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20 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
19 September
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
18 September
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.
17 September
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. CSS Related
15 September
Machine-learning researcher at Cursor working on post-training for coding models; a professor at Harvard and then Cornell from 2016 to 2026, and a researcher at Hugging Face from 2019 to 2024.
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.
14 September
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
New week new demo! Today I want to showcase the CLI to control the @superlogical multiplexer. The CLI is an extremely powerful tool for automation and hooking into other tools like editors, agentic coding tools, and more. And, it's super fun! Everything you can do in the GUI, you can do via the CLI. Actually, you can do more in the CLI. You can create sessions, run commands, make splits, move things around, change focus, simulate any input device (key/mouse/etc.), wait on scripts, and more. There are a couple unique parts of Rex I'm showing off here too: our streaming event system that any cl… Related
12 September
Mac developer and writer at brettterpstra.com; makes the apps Marked and nvALT and writes extensively about Markdown and automation.
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
If you're at VCF Midwest, come all the way to the back corner and check out my NTP Time demo on a bunch of old Macs! (Starring an Xserve G5 with an acrylic cover). Also check out Mr. Macintosh's rack full 'o Xserves across the pod! #vcfmw Related
10 September
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
I'm outta time! I'm packing for VCF Midwest today, but did finish up the last three projects for my NTP Time demo on old Macs: Xserve G5, Mac SE/30, and iBook G3 Clamshell (over AirPort Wi-Fi!). #vcfmw Also a bonus look at AppleTalk-based time transfer: Related
8 September
Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.
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
JavaScript Related
6 September
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).
Reasoning from scratch round 2: In this video, I cover the text generation process in LLMs and KV caching (to prepare the base model before adding reasoning techniques in the upcoming ones). 00:00 Introduction and reasoning model demo 01:55 How to work through the book 05:00 Chapter 2 overview 08:25 Checking PyTorch and hardware support 10:26 Apple silicon and MPS caveats 15:00 Cloud GPU options 16:08 Tokens and tokenization 18:20 Qwen3 and the Reasoning From Scratch package 23:05 Encoding and decoding text 26:24 Downloading weights and selecting a device 31:01 Loading the pretrained Qwen3 mo… LLMs Related
4 September
Sequoia Professor of Computer Science at Stanford, co-director of the Stanford Institute for Human-Centered AI, and co-founder and CEO of World Labs.
Their words
One thing that's under appreciated on the website of the demos is the Stanford demo where Ben showed uh anywhere between 3 to 25 images you can reconstruct that entire Stanford quad. But the thing is we had to show it from aerial view. But every single input image is been standing on the ground taking a picture from the ground. So, everything you see are generated but according to the laws of reconstruction.
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3 September
Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.
Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
1 September
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
it's under appreciated how good photo editing is today thanks to AI: remove these people. demo using @reve app Related
31 August
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
30 August
Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.
Before NTP there were Time and Daytime In building an NTP time demo on old Macs for VCF Midwest, I came across RFC 867 and RFC 868, for the 'Daytime' and 'Time' Protocols, respectively. My first exposure to any form of network time was when I upgraded from a…
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28 August
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
Quick Superlogical demo to end the week. This demo is just of the basic functionality, but I want to highlight just how FAST it is. There's a WHOLE lot more functionality already present and coming but I wanted to keep the demo short. But seriously, check out that speed. I'm showing the macOS app here and I get asked a lot so let me just say up front: its not macOS only. We're still figuring out exactly what platforms will be stable enough for the initial public release, but we're working on others. In particular, the web interface is very functional but I'll demo that another time (or someon… Related
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
27 August
Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.
26 August
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
25 August
Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.
24 August
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.
Recommends their own rcmnd.app
emulate
Their words
New: emulate a GitHub App in a few lines of TypeScript Generated App keys, installation auth and stateful repository APIs Develop locally, test in CI or give sandboxed agents their own isolated GitHub environment
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x.com
20 August
Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.
Demo Time 2.3.0 is out. The big one: you can now record a demo. Hit record, do your thing: create a file, type, save, and it writes the moves for you. Also in: typing that varies its speed so it doesn't look robotic, and move-to-scene in the act editor. demotime.show
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19 August
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?
i’ve been using claude for all things home-related and it’s amazing. (just dump all files in and let claude index, summarize, and organize.) even better than being a repository of all receipts, it helps me maintain a spreadsheet that i can download and send to accountants, draft emails for correspondence with service providers, and proactively flag issues that i wouldn’t have realized otherwise. Quoting @money_cruncher Open a new gmail as soon as you buy a house (123house@gmailcom) Then save/forward every single receipt, invoice, quote etc to this email for all your home improvements: - replacing an entire roof - new flooring - new hvac system - building a new deck - etc These improvements raise your cost basis,… Anthropic Related
13 August
Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.
12 August
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
Their words
it's always weird to me just how much software engineers really seem to believe that the world exists in the repo. It doesn't. It's production, you know?
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11 August
British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.
10 August
Statistician and Chief Scientist at Posit (RStudio). Author of the ggplot2, dplyr and tidyverse R packages and of books on R programming and data science.
9 August
Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.
Bluesky More details about Cyan's cancelled (but nothing is ever *completely* cancelled) "Project Anglerfish”. Adam Morgan got to see the demo while writing a Wired article. Related
Mastodon More details about Cyan's cancelled (but nothing is ever *completely* cancelled) "Project Anglerfish”. Adam Morgan got to see the demo while writing a Wired article. Related
7 August
Co-founder and CTO of Oxide Computer Company. Created DTrace at Sun Microsystems and was CTO of Joyent; blogs about systems software, open source and engineering culture.
Number of days since a new debugger was demo'd at @oxide.computer: Zero. Number of days since a new programming language was demo'd at @oxide.computer: Also zero Related
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).
Just saw that the LLMs-from-scratch repository passed 100,000 stars on GitHub! This is super cool and motivating. I am really happy to see that this open-source repo has helped so many people. Thanks also to everyone who shared ideas and opened PRs with improvements! Of course, I plan to keep adding new material, including new attention variants and architectures (while bigger projects like RL and Reasoning From Scratch live in their separate repositories). I am also currently working on a larger applied custom “small” LLM project. It has been keeping me super busy this month, but I will shar… LLMs Related
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
LLMs
On changing their mind
In the era of base LLM scaling (2022-2024), I believed the LLM line of research would reach a capability plateau (as later seen with base LLMs).
In late 2024, after the o3 test-time compute demo, I changed my views: the new models were showing genuine fluid intelligence, and with this new line of work, the LLM line of research could achieve unbounded capability scaling. "There will be no wall."
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4 August
Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.
3 August
Co-CEO of Waymo and a founding member of Google's self-driving car project, which he joined in 2009.
From one piece
Waymo Co-CEO Dmitri Dolgov: The Demo Is Only 1% Of The Work
4 beliefs, in the piece's order there
Their words
If you can't quantitatively define what good enough means, you're not really building a product, you're just iterating on your demo.
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youtube.com
Their words
And a working demo is 1% at best of the work that you have to do. The many nines of performance, the many nines of reliability that follow, that's where the real work happens.
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youtube.com
Their words
And that's why every hype cycle produces a wave of absolutely spectacular demos and very few real products. And the recurring mistake of every cycle is spending on the demo when you should be saving for the nines.
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youtube.com
+ 1 more
self-driving cars
Their words
It took us about 10 more years to begin providing a service, and then 5 more years to scale to half a million trips per week. So, the demo took 18 months, the product took about 15 years.
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youtube.com
31 July
Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.
25 July
Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
18 July
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).
8 July
Investigative journalist on policing, forensics and criminal justice; wrote Rise of the Warrior Cop and writes The Watch.
28 June
Swiss full-stack developer working mostly with Laravel and Vue; author of the widely used git-auto-commit-action GitHub Action.
22 June
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.
15 June
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).
12 June
Egyptian front-end developer and course creator; writes for CSS-Tricks, publishes courses on Udemy and blogs at alialaa.dev.
8 June
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
It's actually super important that the Siri demo was kind of slow, because it emphasized it was real. Would be even better if it were live, though. Related
13 May
Danish software engineer and Microsoft technical fellow, creator of Turbo Pascal and Delphi and lead architect of C# and TypeScript.
open source
Their words
You know, there's open source and there's open development. And and and we were technically open source in the beginning, but it was not open development. We would sort of lob the source code out in this repository and scrape the issues off of that and put it into our internal issue tracker.
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12 May
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
I added a ~90 minute demo video of using DotFriedRice. It covers configuring and installing it too. It's a niri / Arch desktop environment with modern CLI tools. The CLI set up works on any Debian / Arch based distro (WSL 2 included) and macOS! github.com
Related
5 May
Indian software developer and prolific blogger on PHP, Laravel and JavaScript; open-source enthusiast publishing near-daily at amitmerchant.com.
4 May
Programmer; wrote Redis and hping, and blogs about C, systems programming and working alone.
1 May
Writer and education-technology critic; published Hack Education for a decade and wrote Teaching Machines.
25 April
Programmer known online as technomancy; author of Leiningen, the Clojure build tool, and a maintainer of the Fennel programming language.
21 April
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.
17 April
Software engineer who worked on Chrome and Polymer at Google, and writes about the web, emoji and Elm at meowni.ca.
13 April
Machine-learning researcher at Cursor working on post-training for coding models; a professor at Harvard and then Cornell from 2016 to 2026, and a researcher at Hugging Face from 2019 to 2024.
20 March
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
Their words
And I've gotten to a certain point and I thought it was like fairly well tuned and then I let auto research go for like overnight and it came back with like tunings that I didn't see.
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16 March
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.
10 December 2025
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
12 November 2025
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
29 October 2025
Creator of the Zig programming language; president and lead developer of the Zig Software Foundation.
Zig's New Async I/O (Text Version) In celebration of the std.Io introduction patchset landing today, here is the text version of a short, interactive demo I gave at Zigtoberfest 2025. This is a preview of the new async I/O primitives that will be availab…
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17 October 2025
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
Their words
I think basically what takes the long amount of time and the way to think about it is that it's a march of nines and every single nine is a constant amount of work.
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youtube.com
13 October 2025
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
26 September 2025
Game designer and director of the NYU Game Center; made Universal Paperclips and writes Donkeyspace.
14 September 2025
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).
30 April 2025
Computer performance engineer working on datacenter performance at OpenAI, previously Netflix and Sun/Joyent. Author of Systems Performance and BPF Performance Tools, and creator of flame graphs.
New blog post: Doom GPU Flame Graphs, a fun demo of AI/GPU Flame Graphs and FlameScope, now open source open source Related
28 April 2025
Co-founder and chief science officer of Hugging Face; writes about open models and where he thinks the field is wrong.
[Past weekends side project] A quick introduction to contextual speech models I made some interactive visualisations to explain a bit better how recent contextual speech models and audio tokenization work (e.g. Sesame's demo). Related
16 January 2025
Engineer and writer on machine-learning systems; author of Designing Machine Learning Systems and AI Engineering. "I work to bring AI into production. I write about AI system design."
Their words
This is perhaps one of the first painful lessons anyone who has built an AI product quickly learns. It's easy to build a demo, but hard to build a product.
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huyenchip.com
10 August 2024
Software engineer working on distributed systems and databases; creator of rqlite, the distributed database built on SQLite.
rqlite now supports loadable SQLite extensions - check out release 8.27, and the demo of rqlite running sqlean from @ohmypy and sqlite-vec from @agarcia_me . philipotoole.com
SQLite Related
7 August 2024
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
18 June 2024
Programmer and entrepreneur; co-founded GitHub and created Jekyll, Gravatar and the Semantic Versioning spec.
2 June 2024
Creator of Claude Code at Anthropic.
18 May 2024
Programmer based in Vancouver who writes at scattered-thoughts.net about databases, programming language design and developer tools; author of the Imp, Dida and Zest language experiments.
14 May 2024
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
30 April 2024
Computer performance engineer working on datacenter performance at OpenAI, previously Netflix and Sun/Joyent. Author of Systems Performance and BPF Performance Tools, and creator of flame graphs.
26 January 2024
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.
I am slowly trying to figure out Nix/NixOS. I just realized something I'm very confused by: Is it really the case “pinning’ in NixOS prototypically means “pinning a single version of the entire package repository, and then pulling in whatever versions it contains”? I mean, "it's all just code" and it seems to be *possible* to mix and match via `fetchTarball`. But is pinning the universe as-a-unit really the normal pattern? Nix Related
29 August 2023
Historian of invention; writes Age of Invention on where the Industrial Revolution actually came from.
Their words
Just as in the sciences it is considered good practice to make one’s data available, in history it should perhaps be a requirement to upload to some public repository the photographs or transcriptions of any cited archival sources that are not otherwise freely accessible online.
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ageofinvention.xyz
19 August 2023
Egyptian front-end developer and course creator; writes for CSS-Tricks, publishes courses on Udemy and blogs at alialaa.dev.
7 April 2023
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
14 November 2022
Research scientist at Meta in Berlin working on multilingual models and evaluation; led the multilingual team at Cohere and was a research scientist at Google DeepMind before that.
17 July 2022
Writer and education-technology critic; published Hack Education for a decade and wrote Teaching Machines.
10 April 2021
Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.
22 December 2020
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Their words
This is a powerful repository hub for Git that enhances Windows Explorer with git superpowers! See your git details in your Windows Explorer title bar!
Show the whole quote
hanselman.com
14 December 2020
Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.
19 May 2020
Writer and education-technology critic; published Hack Education for a decade and wrote Teaching Machines.
7 March 2019
Research scientist at Meta in Berlin working on multilingual models and evaluation; led the multilingual team at Cohere and was a research scientist at Google DeepMind before that.
27 December 2018
Writer and education-technology critic; published Hack Education for a decade and wrote Teaching Machines.
12 August 2017
Novelist and writer, author of Mr. Penumbra's 24-Hour Bookstore and Sourdough; previously worked at Twitter and Current TV.
27 June 2017
Rust engineer at Google working on Android; maintains Tokio and works on Rust in the Linux kernel.
19 December 2016
Mac and iOS developer; created NetNewsWire and MarsEdit, co-created the JSON Feed format, and blogs at inessential.com.
6 May 2016
Research scientist at Meta in Berlin working on multilingual models and evaluation; led the multilingual team at Cohere and was a research scientist at Google DeepMind before that.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
Got it
About the English under a post
Some people here publish in a language other than English. Where they
do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
Got it