Linux from Scratch

Show HN: ChartGPU – WebGPU-powered charting library (1M points at 60fps)

https://raw.githubusercontent.com/ChartGPU/ChartGPU/main/docs/assets/chart-gpu.jpg
ChartGPU is a TypeScript charting library built on WebGPU for smooth rendering. It creates a chart instance with a render coordinator that handles layout, scales, data upload, and render passes.

TeraWave Satellite Communications Network

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Show HN: Rails UI

https://railsui.com/assets/property-f0efd0e63d9381c5108e95f5e20adf6eb9b2562a5f79ee824c973d180b3b912f.jpg
Rails UI offers professional-looking components and themes for Rails apps with no design skills required. It saves developers time and effort, allowing them to focus on business logic.

PicoPCMCIA – a PCMCIA development board for retro-computing enthusiasts

https://www.yyzkevin.com/wp-content/uploads/2026/01/CardPicture.png
A PCMCIA development board for retro-computing enthusiasts offers audio, networking, and expansion capabilities for vintage laptops and mobile devices. It features open-source firmware, wireless and Bluetooth connectivity, and emulates various audio and storage devices for DOS gaming and other applications.

Claude's New Constitution

https://www-cdn.anthropic.com/images/4zrzovbb/website/e69f9d8245799a0c2688d72e997f708475233d6b-1000x1000.svg
Anthropic has published Claude's constitution, a document outlining the AI model's values and behavior, to cultivate good values during training. The constitution is a foundational document that expresses and shapes who Claude is, and it will be used to train future versions of Claude.

Skip Is Now Free and Open Source

Skip is now completely free and open source, allowing developers to create native cross-platform apps without compromises. The platform's future is sustained through sponsorships and community support, ensuring its long-term success.

Waiting for dawn in search: Search index, Google rulings and impact on Kagi

Google's monopoly on search has stifled innovation and access to information, prompting a US court to rule against Google and order open index access. The ruling aims to create a more competitive search market, enabling companies like Kagi to provide ad-free search experiences and promote a non-commercial baseline for information access.

JPEG XL Test Page

This page shows a JPEG XL image, if your browser can handle it! At this point in time (January 2026) this means only Safari will display the image, as far as I know. See also Can I Use The person in the image is Jon Sneyers, co-author of the JPEG XL spec and also creator of the "Free Lossless Image Format" that came before it.

The WebRacket language is a subset of Racket that compiles to WebAssembly

https://raw.githubusercontent.com/soegaard/webracket/main/assets/screenshots/examples/mathjax4.png
The WebRacket compiler supports a large subset of Racket for generating WebAssembly code that can run in the browser or terminal, with a focus on browser functionality and a JavaScript foreign function interface. The compiler is designed to be extensible and has already demonstrated its capabilities through various examples, including a MathJax demo, a game, and a terminal emulator.

Stanford scientists found a way to regrow cartilage and stop arthritis

https://www.sciencedaily.com/images/1920/3d-knee-joint-inflammation-osteoarthritis.webp
Scientists at Stanford Medicine discovered a treatment that reverses cartilage loss in aging joints and prevents arthritis after knee injuries by blocking a protein linked to aging. The treatment restored healthy cartilage in old mice and human cartilage samples, improving movement and joint function.

Autonomous (YC F25) is hiring – AI-native financial advisor at 0% advisory fees

Autonomous is an AI-native wealth strategist offering superintelligence for financial optimization at 0% advisory fees. It's backed by $15M from investors like Garry Tan and Collaborative Fund, seeking curious minds to create AI systems.

Beowulf's opening "What" is no interjection

https://s3-us-east-2.amazonaws.com/cdn-test.poetryfoundation.org/content/images/_1200x630_crop_center-center_82_none/poetry-foundation-meta-image.png?mtime=1715886111
A 200-year misinterpretation of Beowulf's opening line has been corrected by a University of Manchester academic. The word "hwæt" is now understood as an interrogative pronoun, meaning "How" rather than an attention-grabbing command.

Nested Code Fences in Markdown

Corey Dumm, a spiky-haired nerd, lives in a world where Markdown rules vary. He faces problems with triple backticks in fenced code blocks and inline code spans.

Can you slim macOS down?

https://eclecticlight.co/wp-content/uploads/2026/01/backup1.png
The user discusses the numerous processes running on a Mac, including those related to Time Machine, and explores ways to disable them due to their resource usage. However, due to the Signed System Volume (SSV) and Duet Activity Scheduler (DAS), it's not possible to stop or disable these processes, making it difficult to pare down the Mac's processes.

SmartOS

SmartOS is a Type 1 Hypervisor platform based on illumos, offering virtualization solutions for OS and hardware virtual machines. It supports live OS booting, increased security, and fast upgrades.

How are you automating your coding work?

User automates coding work with AI tools like Claude Code and Opus, using them for tedious tasks and high-level guidance. They stay in control of architecture decisions and codebase understanding, treating AI like an intern needing constant feedback and reviews.

Slouching Towards Bethlehem – Joan Didion (1967)

https://www.saturdayeveningpost.com/wp-content/uploads/satevepost/2017-06-13-joan-didion.jpg
[Editor’s note: Joan Didion’s “Slouching Towards Bethlehem” was first published in the September 23, 1967, edition of the Post. We republish it here as part of our 50th anniversary commemoration of the Summer of Love. Scroll to the bottom to see this story as it appeared in the magazine.] Things fall apart; the center cannot hold; Mere anarchy is loosed upon the world . . . Surely some ...
https://jobswithgpt.com/static/icon_180.png
Note: These dashboards are not a source of truth. Job posting data can include duplicates and may double count roles. Treat the results as a sample that helps explain what the postings suggest about hiring focus. Summaries are generated with an LLM and may contain errors or omissions. For the most accurate and complete information, research the company directly.

RTS for Agents

https://www.getagentcraft.com/opengraph-image.png?opengraph-image.d171c693.png
Manage agents with a user-friendly interface, leveraging RTS muscle memory for quick reactions. Interact with agents like in a game, exploring the map to optimize tasks and workflow.

Anthropic's original take home assignment open sourced

https://opengraph.githubassets.com/7c79785c38accf33eb74cd99387eba8c470d44dcec3bae9753530643baa8194d/anthropics/original_performance_takehome
This repo contains a version of Anthropic's performance take-home challenge before Claude Opus 4.5 surpassed humans. Optimize the code below 1487 cycles to beat Claude Opus 4.5's best performance and email Anthropic for consideration.
https://framerusercontent.com/images/08h79yYaHYEakHHKoKRaP176CE.png?width=1024&height=1024
Europe needs help to create a unified legal entity for startups, the EU–INC, to overcome national barriers and regulatory burdens. We need your help to convince 27 EU member state governments to back the EU–INC by sharing this page and talking to national politicians.

Without benchmarking LLMs, you're likely overpaying

https://karllorey.com/img/posts/2026-without-benchmarking-llms-youre-likely-overpaying/llm-as-judge.png
A non-technical founder used a custom benchmark to compare 100+ LLM models for his AI-powered business, saving thousands of dollars by finding cheaper options with comparable quality. He built a tool called Evalry to simplify this process, allowing users to test their prompts against 300+ models and compare quality, speed, and cost.

Show HN: See the carbon impact of your cloud as you code

EmuDevz: A game about developing emulators

https://afska.github.io/emudevz/assets/logo.png
❌ Window too small! This is a desktop-only experience!Press Ctrl- to zoom out.

I Made Zig Compute 33M Satellite Positions in 3 Seconds. No GPU Required

https://quickchart.io/chart?c=%7B%22type%22%3A%22bar%22%2C%22data%22%3A%7B%22labels%22%3A%5B%22astroz%20Zig%20%28SIMD%29%22%2C%22astroz%20Zig%20%28scalar%29%22%2C%22Rust%20sgp4%22%5D%2C%22datasets%22%3A%5B%7B%22label%22%3A%22Propagations%20per%20Second%20%28Millions%29%22%2C%22data%22%3A%5B12%2C5.2%2C5.1%5D%2C%22backgroundColor%22%3A%5B%22%23f7a41d%22%2C%22%23f7a41d99%22%2C%22%23dea584%22%5D%7D%5D%7D%2C%22options%22%3A%7B%22plugins%22%3A%7B%22title%22%3A%7B%22display%22%3Atrue%2C%22text%22%3A%22Native%20SGP4%20Throughput%20%28Single%20Satellite%29%22%2C%22font%22%3A%7B%22size%22%3A16%7D%7D%7D%2C%22scales%22%3A%7B%22y%22%3A%7B%22beginAtZero%22%3Atrue%2C%22title%22%3A%7B%22display%22%3Atrue%2C%22text%22%3A%22Million%20props%2Fsec%22%7D%7D%7D%7D%7D&w=600&h=400&bkg=white
The user optimized the SGP4 propagation algorithm in Zig, achieving 11-13M propagations per second, and created a library called astroz that is faster than other implementations for certain use cases. The library uses SIMD and comptime precomputation to achieve high performance and can be used for tasks such as generating ephemeris data and collision screening snapshots.

Batmobile: 10-20x Faster CUDA Kernels for Equivariant Graph Neural Networks

https://elliotarledge.com/blog/batmobile/benchmark_hero.png
Batmobile is a CUDA kernel that optimizes equivariant GNN operations, specifically spherical harmonics and tensor products, achieving 11.8x to 20.8x speedup over e3nn. It's a specialized, high-performance tool for molecular simulations.

Show HN: yolo-cage – AI coding agents that can't exfiltrate secrets

https://raw.githubusercontent.com/borenstein/yolo-cage/main/assets/disaster.gif
Engineer installs yolo-cage to limit AI's blast radius and defer decisions until PR review. yolo-cage provides sandboxed environment for AI to run in, filtering outbound traffic and restricting access to assigned branch.

Ireland wants to give its cops spyware, ability to crack encrypted messages

https://regmedia.co.uk/2016/06/10/shutterstock_garda_editorial_only.jpg
Ireland's government plans to update its digital communication interception laws with the Communications (Interception and Lawful Access) Bill. The bill aims to empower law enforcement to intercept all forms of communications, including encrypted messages, with robust legal safeguards.

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