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utilities json
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20 September
Web infrastructure engineer and standards editor; chaired the IETF HTTP working group and co-authored core HTTP and Atom specifications.
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.
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
19 September
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
In Kody, you can have skills, but even better is documented utilities. It's basically a skill + a tool. Resulting in a much more reliable and repeatable outcome. Here's the code that lives in Kody and it's what agents get when they search for "merge a pull request" Related
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.
18 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.
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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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 experiment: json-render + jev The future Generative UI is instant Your components, your actions, your design system Rendered in milliseconds Related
14 September
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.
Introducing Vercel Labs Tools for devs in the AI era agent-browser, skills, json-render, deepsec, fx, just-bash, portless, vgpu and more We experiment in public: ship early, learn from feedback, and keep working on what people find useful We've been shipping under the Labs name for a while. Now, Labs is an official team at Vercel focused on exploring new capabilities and primitives that change what developers and agents can do. Here's what to expect: → Labs products: maintained, supported, built to be relied on → Active experiments: moves fast, expect rough edges and breaking changes → Past e… vercel.com
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7 September
Creator of Claude Code at Anthropic.
3 September
Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.
1 September
Software engineer and engineering leader at Canonical, working on Ubuntu; writes about his homelab, Nix and tooling at jnsgr.uk.
Software engineer and writer; worked on Mapbox and built Placemark and Simple Statistics, and blogs at macwright.com.
30 August
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
29 August
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
21 August
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
16 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.
Their words
New in json-render: Named Slots Generative UI with more structure
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x.com
12 August
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
10 August
Indonesian software engineer, educator and engineering manager at Zero One Group; open-source enthusiast writing at ripandis.com.
2 August
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
13 July
Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.
It is the year 2040. After the AI Wars of the 2030s, only two programming languages remain: JSON and Markdown. Related
25 June
Moroccan senior frontend developer writing at smakosh.com; builds side projects and client work under Smakosh LLC.
16 June
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
15 June
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.
Indian software engineer and co-founder of Skcript; builds web apps and writes at varunraj.in.
10 June
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
Nontrailing separators do not spark joy This is valid JSON: { "a": 1, "b": 2, "c": 3 } This is invalid JSON: { "a": 1, "b": 2, "c": 3, } The difference is the last comma. The JSON grammar specifies that a comma can separate two members of an object but not po…
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20 April
Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.
16 April
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
Just awesome! 🤩 20 years later and meeting Douglas Crockford, the creator of JSON again! ❤️🔥 #JSON #Achievement #Grateful #Career Related
7 April
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
dcmake: a new CMake debugger UI CMake has a --debugger mode since 3.27 (July 2023), allowing software to manipulate it interactively through the Debugger Adaptor Protocol (DAP), an HTTP-like protocol passing JSON messages. Debugger front-ends can star…
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23 March
Co-founder of NVIDIA and, as of 2026, its chief executive; the company designs the GPUs most large AI models are trained on.
23 February
Developer and podcaster; created Instapaper and Overcast, co-founded Tumblr, and co-hosts the Accidental Tech Podcast.
26 November 2025
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
I’ve got a GitHub actions thing that runs a piece of software I wrote called shot-scraper that runs Playwright, that loads up a browser in GitHub actions to scrape that webpage and turn the results into JSON, which then get turned into an atom feed, which I subscribe to in NetNewsWire.
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simonwillison.net
Their words
I’ve got a GitHub actions thing that runs a piece of software I wrote called shot-scraper that runs Playwright, that loads up a browser in GitHub actions to scrape that webpage and turn the results into JSON, which then get turned into an atom feed, which I subscribe to in NetNewsWire.
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simonwillison.net
6 August 2025
swyx Recommends 6 Aug 2025
Writer and developer. He runs the Latent Space newsletter and podcast about AI engineering, and writes essays on software and careers at swyx.io.
Their words
my goal is to replace as many small utilities i used to use, with raycast plugins
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swyx.io
2 June 2025
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.
21 May 2025
Founder of OpenStreetMap, the collaborative map of the world; later worked on mapping at Microsoft and Telenav.
I've been avoiding looking at MCP because it just smelled wrong. And yes, it's just XML-RPC but it's JSON. It smells like... SUN SPARCStation and 1999. MCP Related
16 March 2025
Writer and web developer; founding editor of Lifehacker, co-creator of ThinkUp and of the todo.txt format.
2 June 2024
Creator of Claude Code at Anthropic.
7 November 2023
British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.
10 May 2023
Programmer and writer; specified JSON, wrote JavaScript: The Good Parts, JSLint and How JavaScript Works.
13 January 2023
Distributed-systems safety researcher; runs the Jepsen consistency-testing project and wrote the Riemann monitoring system.
14 March 2017
Designer and developer; created the Solarized colour scheme and the Kinkless task system that became OmniFocus.
17 April 2012
Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.
2 December 2011
Mac developer and writer at brettterpstra.com; makes the apps Marked and nvALT and writes extensively about Markdown and automation.
Uses their own rcmnd.app
nvALT
Their words
For the latter I use nvALT almost exclusively, though my notes are all stored as individual text files (with OpenMeta tags) and can be added to, edited and searched from a plethora of apps and utilities.
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usesthis.com
11 October 2011
Software developer; created Firebug, helped create Firefox on the Netscape browser team, and built the original Facebook iPhone app.
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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 .
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The korrent beneath it is the claim those words support, in
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else holds it.
Nobody here wrote their own korrents. They are compiled from public
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About the English under a post
Some people here publish in a language other than English. Where they
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The post itself is never changed, moved or hidden: what is set in the
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