Organic Maps

https://organicmaps.app/sponsors/nlnet.svg
Organic Maps is a free, ad-free, offline GPS app for various activities, powered by OpenStreetMap data. It's developed by the open-source community with support from grants and donations.

Phosh 0.56.0

Phosh's new release includes improvements such as hiding apps on immutable distros and faster startup times. It also adds new panels and features like atomic OS updates and re-enabling hidden apps.

Introduction to Compilers and Language Design

This is a free online textbook on compiler construction by Prof. Douglas Thain, suitable for undergraduate students with C programming experience. The book offers a one semester introduction to building a simple compiler for a C-like language.

Train and run transformers directly on Apple's Neural Engine

https://raw.githubusercontent.com/christopherkarani/Espresso/main/.github/assets/demo.gif
Espresso compiles MIL programs to ANE silicon, achieving 4.76x faster decode than CoreML. It uses private APIs and IOSurface buffers for zero-copy reads.

Run Windows 2000 on a DEC Alpha with a new es40 fork

https://raymii.org/s/inc/img/94c83ce76d8b4e73a02aff9e936b28d1.png
A new fork of the es40 alpha emulator, AXPBox, has been released with improved features. It allows running Windows 2000 on the DEC Alpha with massive speedups due to a JIT compiler.

Airplane Boneyards List and Map

https://airplaneboneyards.com/images/walnut-ridge/walnut-ridge-aircraft-boneyard-store-post-wwii-sm.jpg
The United States and other countries have airplane boneyards where surplus aircraft are stored, maintained, and scrapped, with facilities in Arizona, California, and New Mexico. These boneyards serve as temporary storage, maintenance, and parts reclamation sites for commercial airliners and military aircraft, with some facilities also offering tours.

Show your hands honor for the power they bring you

https://aresluna.org/images/show-your-hands-honor/ogimage.png
A hundred or so years ago, there was a problem. People were simply typing too fast. I know what you’re thinking: they were typing too fast for the primitive typewriters of that era. But contrary to popular belief, typewriters were never that primitive. You could type really fast on even the first popular typewriter, and the QWERTY layout was actually designed to allow you to do just that. No, ...

Medieval-style fortifications are back in the Sahel

https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20260627_MAP506.jpg
The Benin state in southern Nigeria built massive earthworks, second only to China's Great Wall, showcasing its powerful civilization. The empire eventually collapsed under British invasion, leaving behind only remnants of its once-mighty walls.

If you're a button, you have one job

https://unsung.aresluna.org/_media/if-youre-a-button-you-have-one-job/ogimage.png
You're concerned that your interactive essay may appear old-fashioned, but its challenges are universal. A predictable and pleasant interface is essential, even for casual users, to avoid situational disability and power user-ness.

Shadcn/UI now defaults to Base UI instead of Radix

https://ui.shadcn.com/_next/image?url=%2Fimages%2Frhea-light.png&w=3840&q=75&dpl=dpl_EEsyiWuonzGkyNCanptY2cnVtzze
Shadcn/ui has rebuilt every component for Base UI, keeping the same abstraction, and letting users choose between Radix and Base UI. New projects default to Base UI, and a migration skill is available to help users migrate their existing projects from Radix to Base UI.

Pandoc Lua Filters

Pandoc supports filters written in Lua without external dependencies, allowing for efficient manipulation of the pandoc abstract syntax tree (AST).

Show HN: KiCad in the Browser

https://demo.pcbjam.com/og/og-demo.png
The list contains various electronic components and modules. It includes amplifiers, converters, CPLDs, CPUs, devices, diodes, displays, drivers, DSPs, fiber optics, filters, FPGAs, GPUs, interfaces, isolators, jumpers, LEDs, logic, MCUs, memory, motors, oscillators, potentiometers, power management, regulators, relays, RF components, sensors, switches, timers, transformers, transistors, and valves.

Fast Software, the Best Software (2019)

https://craigmod.com/images/about/craigmod-headshot-2025-small-01.jpg
The user values fast software that is both functional and intuitive, citing examples of speedy applications like nvALT, Sublime Text, and Figma, which provide a smooth user experience and allow for efficient workflow. Slow software, on the other hand, can be frustrating and lead to decreased productivity, as seen in examples like Google Maps, iTunes, and older versions of Adobe Photoshop.

Pi square is nearly 10

https://mihai.page/imgs/logo_600.png
The user discusses the number tau, pi, and their approximations. They explore the Basel problem and its relation to the approximation of pi squared being close to 10.

The GNU Emacs Architecture: Unlocking the Core [pdf]

GNU Emacs is a text editor that has been in development since the 1980s and is known for its user-extensible and self-documenting design that ties back to the free software philosophy. A thesis aims to aid future work in modernizing Emacs by providing a foundation of comprehensive and accessible documentation covering the internal architecture of GNU Emacs, focusing on components related to ...

Trust your compiler: Modern C++

https://categorica.io/_app/immutable/assets/ctg_icon.CcTidov5.svg
Modern C++ compilers and libraries can often optimize code more effectively than hand-written "clever" code, making it easier to write straightforward and efficient code. By using modern C++ features and standard library functions, developers can express their intent directly and let the compiler and library do the optimization work.

Megawatts by Microwave

https://computer.rip/static/img/bpa/1.png
The US Army Corps of Engineers and the Bureau of Reclamation built dams on the Columbia River for various reasons, including irrigation, electricity, and national defense. The Bonneville Power Administration (BPA) was formed to distribute power from these dams, creating a regional power grid and pioneering modern electricity pricing and distribution.

Cannabis Users Face Substantially Higher Risk of Heart Attack (2025)

https://www.acc.org/-/media/9E7FA8BE7B44449AB9993CC9237EF455.png
Two new studies found that cannabis users are more likely to suffer a heart attack than non-users, with a 50% increased risk among those who use the drug. Researchers recommend clinicians ask about cannabis use to understand patients' cardiovascular risk and warn users of potential risks.

Rayfish, Peer-to-peer mesh VPN with no server to trust

https://rayfish.xyz/img/logo.87875cb7.png
Today we're releasing Rayfish, a peer to peer mesh VPN. It builds a private network between your machines without a server in the middle, and without a company you have to trust to keep it running. You get a key, your devices use it to find each other, and the network that forms belongs to the people in it. The first is trust. Almost every modern VPN runs its control plane through a ...

Moby Dick Workout (2022)

You test productivity apps with large texts like "Moby Dick" to ensure they handle user-generated content. If an app passes this test, it may be suitable for your needs, but failing doesn't necessarily mean it's bad.

Command and Conquer Generals natively ported to macOS, iPhone, iPad using Fable

https://private-user-images.githubusercontent.com/159876365/617135099-aeaf6692-36e6-40c8-b9f8-8066d014ec4b.gif?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3ODMxOTUyMDksIm5iZiI6MTc4MzE5NDkwOSwicGF0aCI6Ii8xNTk4NzYzNjUvNjE3MTM1MDk5LWFlYWY2NjkyLTM2ZTYtNDBjOC1iOWY4LTgwNjZkMDE0ZWM0Yi5naWY_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNzA0JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDcwNFQxOTU1MDlaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT0yNDBjM2ExZDU0YzZmN2Q5M2NhNmFlMTk1ZTg0ZmI0ODY3Y2I4N2Q2MjAxYTgzZjA3ODJiYjc0Nzc1ZWJiZjg3JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZnaWYifQ.3RG-XHsmRzmhc6nyNFA6DFywAMia98mihfWcI29Dirk
Command & Conquer Generals: Zero Hour runs natively on Apple devices with real 2003 engine, using DXVK/MoltenVK and touch controls. Requires own game assets and Apple Developer team for iOS build.

Artful Cats: Feline-Inspired Art and Artifacts

Request verification Please continue when verification is complete.

Meta's Un-Stable Signature

The user investigated three AI-based invisible watermark algorithms, SynthID, TrustMark, and Stable Signature, and found that they all make the same fundamental mistake of assuming independent and uniformly distributed bits, leading to inflated accuracy rates and high error rates. The user's empirical testing and statistical analysis revealed that these algorithms have error rates of around ...

Atomic Force Microscope [video]

The Log is the Agent

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
ActiveGraph inverts the typical agent framework arrangement, with an append-only event log as the source of truth and a working graph as a deterministic projection. This design provides deterministic replay, cheap forking, and end-to-end lineage, making it well-suited for self-improving agents.

Spain's cadastre API is SOAP from 2003, so I built a JSON wrapper (+MCP)

Predio es un servicio que proporciona datos catastrales españoles estructurados y predecibles en formato JSON, sin necesidad de SOAP/XML. Puedes autenticarte con una cabecera x-api-key y pagar por informe o por uso, con precios legibles por máquina.

Claude Design System Prompt

https://opengraph.githubassets.com/0b72473d0b6cf46520b1e6f7cadfce94c386c63c03122c6b769ddcfaee23ad0a/Trystan-SA/claude-design-system-prompt
This system prompt and skill library turns an LLM into a design collaborator with an explicit design philosophy and procedural skills. It's open source, MIT licensed, and can be used with various LLMs, including Claude, GPT, and Gemini.

“Beyond the limit”: Satellites and mirrors in space pose threat to the night sky

https://cdn.eso.org/images/newsfeature/eso2607a.jpg
A new ESO study warns that launching 1.7 million satellites would devastate astronomy, recommending no more than 100,000 faint satellites to safeguard night sky observations.

EU Council forces Chat Control via fast-track

https://heise.cloudimg.io/width/610/q85.png-lossy-85.webp-lossy-85.foil1/_www-heise-de_/imgs/18/5/1/1/1/2/4/1/shutterstock_2470794027-5df9a4f153e1f773.jpeg
EU Council pushes for reactivation of voluntary chat monitoring regulation, despite Parliament's resistance. The move aims to close a legal loophole and increase pressure on MEPs to approve the measure before the summer break.

Solar rail could become common in Europe after successful trial in Switzerland

https://images.euronews.com/articles/stories/09/82/37/90/1536x864_cmsv2_08ddd015-4096-5f19-be21-c19a1ae3fb19-9823790.jpg
Europe’s infrastructure is embracing the renewables boom, with one company determined to transform the continent’s railway lines into mini solar farms. Last year, Swiss start-up Sun-Ways unveiled the world’s first-ever solar railway after rolling out 100 metres of photovoltaic (PV) panels in between active tracks in Buttes, a village in the Val-de-Travers district. Originally planned as just ...