CP/M-386 – CP/M for 386 protected mode, derived from CP/M‑68K

https://opengraph.githubassets.com/55c540041c3fca93caeaf359561eabdcdbaba6651881747dcf1ab59a805cd858/johnsonjh/cpm386
CP/M-386 BDOS is compatible with CP/M-68K 1.3 and CP/M 2.2, with added extensions for direct video access and high-resolution timing. It can be built on NetBSD, FreeBSD, and most recent Linux distributions, including CentOS, Fedora, and Ubuntu.

Why Book Corners won't sync contributions back to OpenStreetMap

https://www.andreagrandi.it/about/images/me_pycon_2019_2.jpg
Book Corners initially planned to contribute user-submitted libraries back to OpenStreetMap, but discovered that the process would require significant documentation, licensing, and operational responsibilities. Due to these costs, Book Corners has decided to suspend the contribution process, prioritizing its core purpose of helping people discover and share little free libraries.

Karpathy’s Pelican

https://pbs.twimg.com/amplify_video_thumb/2083744791876292608/img/tWEKnM_bdE_nlfYD.jpg
Opus 5 generated 5500 lines of code to procedurally render the Lord of the Rings story with a 1M token budget. This example showcases LLMs' potential for creating hyper-custom worlds, but also highlights their limitations in auditing and perceiving multimodal content.

Show HN: Isopolis – isometric pixel map of SF

https://sf.isopolis.city/og.jpg
San Francisco as one giant isometric pixel painting — the city's real 3D geometry redrawn tile by tile by a fine-tuned image model.

RFC 9851: TLS 1.2 is in Feature Freeze

TLS 1.3 fixes known deficiencies in TLS 1.2 and its use is growing due to improved security. TLS 1.2 will only receive urgent security fixes and no new features will be added.

Show HN: ssh ssh.place

https://ssh.place/canvas.png
The canvas is wider than your terminal, so scroll to pan around. shift+←/→ jumps a whole screen. This canvas is color only. The server turns down anything with a character in it, so you cannot write text here. Draw something instead. Your cooldown is tied to your SSH key, so reconnecting will not reset it. This page only reads the canvas. It changes over SSH and nowhere else.

Autoregressive Language Model on the 6502 Processor

https://mattbeton.com/img/blog/bitnet-6502/attention-grows.svg
The user trained a tiny Mamba-based autoregressive language model and ran it on a BBC Micro from the 80s using a custom inference engine, generating text with a vocabulary of 26 letters and a space character. The project demonstrated the importance of mechanical sympathy in designing ML models, considering hardware constraints, and showed that a Mamba-based model can run inference on 8-bit ...

Qwen 3.8 Max Live Now

https://img.alicdn.com/imgextra/i3/O1CN01eBklSt1jT2S77Xekm_!!6000000004548-2-tps-224-224.png
2.4-trillion-parameter MoE flagship delivering a comprehensive leap in coding and professional work. Autonomously codes and delivers complete projects spanning 10+ days. Handles hundreds of specialized tasks across legal, financial, design, and other professional domains, producing production-grade results end-to-end in a single conversation. Native visual understanding runs through the full ...

Show HN: Kakehashi – Experimental userspace to run macOS binaries on Linux ARM

https://opengraph.githubassets.com/3b6b6a3100120122dc8fff0c8b450edb077cd334acfc336347099211a8e6825d/wie-project/kakehashi
Kakehashi is a tool that runs Darwin CLI tools natively on Linux aarch64 by translating BSD syscalls and mapping a freestanding libSystem. It aims to provide a cost-effective alternative to running Darwin tools on macOS, with a focus on correctness and performance, and is suitable for use in CI environments.

Note-Taking and Personal Knowledge Management

https://i.snap.as/91youjmK.jpeg
The user read an article by Brennan Kenneth Brown about Personal Knowledge Management (PKM) and found it to be misleading. The user argues that Brennan's article fails to critically examine the effectiveness of PKM systems and tools like Obsidian.

Developers are attached to tools because tools encode trust

https://cdn.stackoverflow.co/images/jo7n4k8s/production/29bbae9c01de534b803084e4f0b9a77f9cd90e5c-12000x6300.jpg?rect=8,0,11985,6300&w=780&h=410&auto=format&dpr=2
Developers are struggling to trust AI tools due to their unpredictability and lack of transparency, which can lead to broken processes and decreased productivity. To build trust, teams need to establish a more deliberate and explicitly-defined workflow that preserves human judgment and provides the right context for AI agents.

Read the Novels and Forget Everything Else

https://hedgehogreview.com/images/identity/iasc/letters-logo-white.png
Patrick O'Brian, a renowned author, was exposed as a liar who fabricated his biography, including his Irish childhood and naval experience. Despite this revelation, his Aubrey-Maturin novels continue to be widely read and admired for their historical accuracy, witty dialogue, and vivid descriptions of 19th-century life.

The Computational Theory of Mind (2015)

The computational theory of mind (CTM) suggests that the mind is a computational system similar to a Turing machine, which can process information and make decisions. This theory has been influential in cognitive science and artificial intelligence, but it has also faced criticisms and challenges, such as the need to explain how mental computation interfaces with sensory inputs and motor outputs.

Show HN: Mu – Tools for Agents

https://opengraph.githubassets.com/cd1d786ce798058165e51bf0eb0c6dd14b44ebdc638e38642a497e36c359d9c8/micro/mu
Mu provides a suite of 67 real tools behind one endpoint, including news, search, mail, markets, and more, accessible via a web app or CLI. It uses the MCP protocol for authorization and allows users to run their own instance, with tools available for both agents and humans.

Show HN: Make your Framework 12 sound like a creaky door

https://opengraph.githubassets.com/47b817bc3ef93862048ada045df3b4c8e10f5d2ea198889a792e1d4aef907068/ArcaEge/creakwork12
A Creaky Door for Framework 12 laptops has been created, filtering optimized for its hinge stiffness. Download the executable from the releases tab, or clone the repo and run with cargo, noting potential dynamic linking issues on non-Fedora distros.

Show HN: NixOS-DGX-Spark – Nix and NixOS on the DGX Spark

https://opengraph.githubassets.com/77af5588fe889e611a7fd7ca311297cf64e3a38a055dc6c0be56113da6d2efb6/graham33/nixos-dgx-spark
To use Nix on DGX Spark, you can either use DGX Spark playbooks with Nix on DGX OS or install NixOS with the DGX Spark module.

TinyNES Review – A Super Niche NES Console

The TinyNES is a niche device that merges original NES hardware with modern design, using socketed CPU and PPU chips that can be swapped out. It's designed for those who want a precise, hardware-based experience, rather than emulators or FPGAs.

F*: A general-purpose proof-oriented programming language

https://fstar-lang.org/i/fstar-new.png
F* is a programming language that combines dependent types and multi-monadic effects for formal verification and proof-oriented programming. It has been applied in various fields including security, cryptography, and systems.

Twenty Years of RISC OS Open

RISC OS Open Ltd was founded in 2006 with the goal of opening up the proprietary operating system to the community. Over the past 20 years, the community has contributed significantly to the OS's development, resulting in a much healthier and improved RISC OS today.

Californians' data deletion requests, DROP, become enforceable Aug. 1

https://media.nbcsandiego.com/2026/07/tom-kemp-2.jpg?quality=85&strip=all&resize=218%2C123
California residents can now use the DROP platform to request data brokers stop selling their personal information. Registered data brokers must honor these requests within 45 days, or face fines of $200 per day per affected Californian.

A tool for finding the causes of unstable Python tests

https://opengraph.githubassets.com/34bfb5a3907c3ba37b04393246d48103351767f111dcca4618cceca4bfd1875a/mgaitan/pytest-leak-finder
A test passes alone but fails in a suite due to a previous test leaving the environment dirty. A binary search plugin helps find the culprit by repeatedly dividing the test suite until the failing test is isolated.

My personal AI benchmark: "Generate an SVG of a frog with a Habsburg jaw."

https://frogs.vaguespac.es/results/openai--gpt-5.5--20260802-173755-e0507.svg
One prompt, every model: generate an SVG of a frog with a Habsburg jaw. Each model gets three tries a month. An AI drawing benchmark.

When transit passes were designed by hand (2022)

https://letterformarchive.org/wp-content/uploads/legacy/milwaukee-transit-passes-1930s-1960s.jpg
The Milwaukee Electric Railway & Light Company produced colorful transit passes from 1930s to 1960s with unique hand lettering and designs. About 300 of these passes are now in the Archive's collection, showcasing the city's commitment to civic design and visual appeal.

Playing with Georgia

Sharing an X11 Server Across Hosts with FamilyWild

To run X11 applications from a container or over SSH, rewrite the .Xauthority file to use a wildcard family that matches any hostname. This can be done by overwriting the first two bytes of the file with ffff using sed, allowing the client to connect without hostname constraints.

A Playable History of Sudoku

https://doku.su/assets/social/sudoku-history-en.jpg
Before the puzzle · A mathematical relative Take a grid. Arrange the same symbols so that each appears once in every row and once in every column. Mathematicians call this a Latin square. These squares are centuries old. Leonhard Euler studied them in the eighteenth century. At first glance, a Latin square already looks a lot like a finished Sudoku. But look inside the thicker borders. Sudoku ...

'Crush this lady': how eBay harassment campaign led to $56M payout

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Folding Paper Globes

https://foldingglobes.com/globes/sun.png
Free print-ready folding paper globe templates: the Moon, Mars, Earth at night, and more. Download, print, cut, fold, glue.

Fasttracker II clone in C using SDL 2

Fasttracker II is a music tracker software developed by Fredrik Huss in 1994, allowing users to create and edit music files. Your FT2 clone is a portable version written in C using SDL 2, available for download on GitHub.