Show HN: Open-source engine running Gemma 4 26B in 2 GB RAM on any M-series Mac

https://raw.githubusercontent.com/drumih/turbo-fieldfare/main/docs/assets/turbofieldfare-logo-rounded.png
TurboFieldfare is a custom Swift + Metal runtime for Apple Silicon Macs that streams the Gemma 4 26B-A4B model from SSD to run text-only inference. It supports a native Mac app, CLI, and loopback OpenAI-compatible server with bounded memory use.

Superlogical

https://www.superlogical.com/headshots/mitchell-hashimoto.webp?v=1785240917834
A terminal multiplexer brings multiple streams together through a common interface, allowing for interactive, automatic, and production work to share one system. It keeps sessions organized and accessible across devices, with features like web access and live sharing.

KOReader

https://koreader.rocks/koreader-logo.png
KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.

Keychron announces first open-source firmware for gaming mice

https://images.digitalfoundry.net/fd99c70884c44/keychron-announces-first-open-source-firmware-for-gaming-mice-with-the-g6-he.970x.jpg
Keychron is releasing open-source firmware called ZGM for its G6 HE gaming mouse, allowing users to customize and modify the device. The ZGM firmware is similar to QMK and ZMK for keyboards, offering low-latency operation, modular layers, and support for various microcontrollers.

Handbook.md shows that long policy documents do not reliably govern agents

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers created a benchmark of 65 tasks to test language-model agents following long policy documents. The benchmark, which simulates real-world work environments, found most agents failed to consistently follow policies due to issues like overriding rules and losing details over time.

Hugging Face: Anatomy of a frontier-lab agent intrusion

← Back to the blog post Companion visualization to the July 2026 incident disclosure. Live credentials, hostnames and indicators are redacted or genericized; techniques shown as observed. ← Back to the blog post

Document-borne AI worms can self-propagate through Copilot for Word

https://enklypesalt.com/assets/images/2026-07-28/Stage1%20-%20Attachments%20and%20canged%20numbers.png
A vulnerability in Microsoft's Copilot for Word allows attacker-controlled instructions to be copied into documents, potentially leading to confidentiality impacts through Cross-Domain Prompt Injection Attacks (XPIAs). The attack can self-propagate across trusted document workflows, making it difficult to detect and respond to, and highlighting a broader architectural weakness in current ...

PgDog (YC P25) Is Hiring

https://bookface-images.s3.us-west-2.amazonaws.com/logos/118884b50bdcfe26eb7163da47a2a94178ea455e.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAQC4NIECAIDQ4TP6M%2F20260713%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20260713T170422Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDkaCXVzLXdlc3QtMiJHMEUCIQDk5KNQg209H2L19B%2FVHvHpHxTM5j2PMtvrmkBMla%2BDLQIgfbsBrkwn8gckP%2BATpmm1JIG4sWQCdLLci3%2B3kr10eAMq5QMIAhAAGgwwMDYyMDE4MTEwNzIiDIYXXP1j5PMhtYsRFyrCA6RPvw784yQaeAAfxpjyny94%2FyHSMykfUr8vPBQ%2BaHbs2YFPoCLJlufroFGKPjkPt%2BdVMuFtt6DqQOi2acMfWhkhujNeLZpobGbiEcIQk9rwka72dGldiXH3GWFqjGPUh45mkm0namQ70uVDqw9%2FijfPR%2BlPh1qOE%2FSJRr%2F5y00WdIWkt11lghr8o39yqpwaprEJY7LUVd5hwuEIH7VRAJ4QPmBVlFtKiR%2FEyV4X4n8Q8MvuezAvHu%2Bszz8535Eeqv7y58Ao%2B4okKGlxWk4WfXb2JuqaFfQWOoYz9fz5pZ36WAG%2BHdJ80%2BVBroAzTHmNZdepgeYbJbnGBYnqy6MX%2F8t2DH%2F%2BFaK3h0jHQwHuZGzlaVoAEwGWBWE%2FyE%2BCQ98BTvTFEonlFAz8RJVWus%2FdxOjd0I1dM3VQeBDNLNUPD3hyLDelQoKkTSYHMcsUCXTNndRqCpUXOtdkLybXRw%2BBai9Ae71swTe335GSf3xaWDVNZK1jkRDgKTVLfSw%2FJ3%2FeHgO9M0E4%2B0%2F1dcnPDO3mKWxmw8VpD0A4rh2I4D4ZZqEc4wX0K8jRBYJQtRa%2BE0qUOV2E3SQgg4sacj15uBPqIEoBmzDFrtTSBjqlAZX7b%2FSMA9YQbKaL5cNjAKYHXZoVSZoFAyQi3BpkCfgRHuH1USgfDQF%2B7Q0%2BijF%2B1958kYaI3K4F5yLRuqZsIymxZVHSLGymHNjRQWAwOeBfqw%2B7ukbwEmrX4yqWMJ%2FTWwbfnNgF921hAK%2BbcpQ72e80yQTjVC5pJpoRyRJ1%2FLHEzgCuKgbJrDW5Ul0XLnKpLBDajaCTjLWKRIKyoZDlFYBSDUToSg%3D%3D&X-Amz-SignedHeaders=host&X-Amz-Signature=ed7419d623028dc0f45c1c272c973b0dc6e56d3eed5716566f43a4a883622706
PgDog, a San Francisco-based startup scaling PostgreSQL, seeks a versatile engineer proficient in Rust/Postgres to build distributed systems and tools like OLAP query engines, prioritizing hands-on problem-solving over AI reliance. The role involves shaping the roadmap, deploying features directly to users, and leveraging Rust's safety for mission-critical infrastructure.

A.I. companies are recruiting electricians and carpenters by the thousands

Please enable JS and disable any ad blocker

Launch HN: Tokenless (YC S26) – Automatic model switching to save money

A service allows you to distribute requests to multiple models and pay only for the one that completes the task efficiently. It offers cost-effective alternatives to Opus 4.8 and customizable routing options for maximum quality or savings.

Darktable

https://www.darktable.org/images/screenshot_lighttable.jpg
Darktable is an open source photography workflow application that manages digital negatives and develops raw images non-destructively. It offers professional color management and GPU acceleration, with a community that welcomes input from users and developers alike.

Hamburg's Stadtpark: A Park Built to Be Used

https://cdn.synaps.media/alsterrunde/content/images/size/w1200/2026/07/IMG_0917.webp
The writer moved to Hamburg in 2018 and discovered the Stadtpark, a 149-hectare park designed for active use, with a lake, woods, and various recreational activities. The park offers a diverse space for people to do whatever they want, with many sports facilities, playgrounds, and cultural events.

The Rust on ESP Book

This guide helps Rust developers get started with embedded development on Espressif products, introducing key concepts and tools. It's intended for beginners, with periodic updates and migration guides to help stay up to date.

Some thoughts about Anthropic's new cryptanalysis results

https://blog.cryptographyengineering.com/wp-content/uploads/2026/07/image.png?w=1024
Anthropic's Claude model produced two cryptanalysis results, one attacking HAWK signature scheme and the other improving an AES attack, but neither is groundbreaking.

Self-hosting Kimi K3: 20% more hardware cost, 20% better task resolution

https://aistack.imec-int.com/assets/img/gpu.jpg
Organizations are facing high costs from AI API usage, with median employee spending $140 per year and 90th percentile near $7,300, due to token-based billing models. To mitigate costs, organizations can consider alternatives such as API routers, cheaper model tiers, or self-hosting their own GPUs, but the decision depends on factors like utilization, concurrency, and model quality.

Shipping Godot VR and Porting to PSVR2: A Partial Post Mortem

https://www.claire-blackshaw.com/images/claireBig.jpg
Claire, a game developer with experience on console and VR, shared her experiences with using Godot engine for VR development, including the challenges of rebuilding the core and the community PS5/PSVR2 port. She also discussed the need for a more standardized API for platform plugins and the importance of community involvement in engine development, highlighting her own efforts to create a ...

Show HN: CheapFoodMap – A map of good meals under $10

https://cheapfoodmap.com/og-default.png
Find cheap food near you — great meals under $10 across the US. Hidden gems, lunch specials, and cheap eats worth the drive, with no ads or sponsored placements.

Hunter-gatherers introduced fish to a mountain lake 7000 years ago

https://www.newscientist.com/wp-content/uploads/2026/07/SEI_305290666.jpg?w=840
Hunter-gatherers in Norway transported brown trout into isolated mountain lakes at least 7000 years ago for summer foraging. They likely used wooden fish traps and may have transported fish in waterskins to provide a predictable food supply.

Infrastructure Patterns for Agentic Applications

https://cdn.sanity.io/images/hvk0tap5/production/fe331581ccd5dd45d959aba805866008d0ce6b7d-2340x1146.png?fit=max&auto=format
To build reliable agentic applications, teams need to break the coupling between agent runs and HTTP requests, using patterns like queuing and workflow engines to manage long-running, stateful, and non-deterministic processes. A workflow engine provides the orchestration layer, storing the history of a run and allowing for durable execution, idempotency, and compensation logic to ensure ...

More Tailscale tricks for your jailbroken Kindle

https://cdn.sanity.io/images/w77i7m8x/production/330e901f43b1b5fc589b04fd5e71251811283671-3074x1730.png?w=3840&q=75&fit=clip&auto=format
A jailbroken Kindle can run Tailscale with improved features like SSH, proxy mode, and TUN mode, allowing it to connect to other devices on the network. A Tailscale plugin for KOReader also enables proxy interfaces for reaching content servers from the Kindle or other e-paper devices.

GPT-5.6 vs. Claude Fable 5 for Physical AI, which performs best?

https://framerusercontent.com/images/zsGtVGVvu1F0gBl160qdoLs0oAM.webp?width=2400&height=1350
Researchers tested four frontier models (Fable, Sol, Luna, Terra) on five modeling and simulation problems. Fable achieved the highest difficulty-weighted score, while Sol was the most cost-effective. The Dyad AI harness significantly improved model performance, with the same model scoring 0.899 in the harness and 0.533 in a stock coding agent.

Learning Musical Multitasking

I like to play multiple instruments at once, and really enjoy how this lets me create a fuller musical picture. Sometimes this looks like mandolin + foot drums + bass whistle: youtube youtube youtube People often hear what I'm doing with Kingfisher and ask how it works, but when I show them they say they couldn't do it because they're not good enough at multitasking. But I ...

Show HN: Qwen Scribe – local transcription and dictation for Apple Silicon

https://raw.githubusercontent.com/VladUZH/qwen-scribe/main/assets/AppIcon-1024.png
Qwen Scribe is a local transcription app for Mac that uses Metal GPU and doesn't require an account or cloud service. It's a beta project with core transcription and dictation features, and users can build and test it locally.

Amiga Graphics Archive

https://amiga.lychesis.net/assets/Artists/FHeimbrecht_Think.png
On this day 18 years ago I launched the Amiga Graphics Archive with the goal of creating a curated gallery with high quality and rare pixel art images made with and for the Commodore Amiga computer. As a special treat, I've added an image by Jim Sachs called Multimedia that I found in a badly scaled version, that I was able to restore pretty close to its original state. See more updates...

User Interfaces of the Demo Scene

https://www.datagubbe.se/scenegui/p/elitesinuesproducer-menu.png
The demo scene, a digital art subculture, has a long history of creating its own tools, including assemblers, trackers, and other software, often with unique and quirky user interfaces. These tools, such as Seka, AsmOne, and ProTracker, were used to create demos, music, and graphics, and often featured peculiar designs and features that were characteristic of the scene.

Show HN: Kedge – Full-stack cloud with forkable VM snapshots and global SQLite

Billed per-second on actual resources consumed, not allocated capacity. CPU bills only scheduled milliseconds, memory tracks active resident pages, storage only for bytes used. Idle apps scale to zero and pay only for storage. Credits-based billing, with a $5/month free tier, enough to run a small website or dev box at no cost. Pricing details.

Cesium DevCon 2026 talks are up, including a keynote from SQLite's creator

https://images.prismic.io/cesium/XsbOBXWFXMyM1qu1_session_page_BANNER_REV_00000.jpg?auto=compress%2Cformat&fit=crop&ar=1.000&w=1320
The 2026 Cesium Developer Conference featured sessions on 3D geospatial technologies, digital twins, and open standards for streaming large-scale 3D content.

Disrupting supply chain attacks on NPM and GitHub Actions

https://github.blog/wp-content/uploads/2026/01/github-generic-security-blocks-logo.png?resize=1600%2C850
GitHub has implemented several security improvements to prevent supply chain attacks, including account protection, safer workflow defaults, and credential revocation. These changes aim to disrupt and limit the impact of attacks, making GitHub's products more secure by default for open source communities and enterprises.

SQLite in Production: Optimizing WAL Mode, Concurrency, and VFS Layers

https://micrologics.org/ml-logo.PNG
To achieve ultra-low latency in SQLite, configure WAL mode, manage busy handlers, and leverage custom Virtual File System (VFS) layers, and pair WAL mode with the NORMAL pragma to prevent disk synchronization bottlenecks. Properly configuring SQLite with WAL mode, memory mapping, and transaction boundaries can handle hundreds of concurrent requests and millions of queries per day on a modest ...

SpecForge – A Platform for Authoring Formal Specifications

https://docs.imiron.io/v/0.5.10/en/images/screencap-vscode-lilo-code.png
SpecForge is a tool for writing and analyzing specifications in the Lilo language, which is used for hybrid systems. It provides features like syntax highlighting, type-checking, and analysis capabilities in VSCode.