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

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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 – Mitchell Hashimoto

The author of Ghostty, a non-profit terminal application, is starting a new project called Superlogical, which will focus on building a terminal multiplexer. The author and their team will use Ghostty's open-source components and continue to contribute to the project.

KOReader

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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.

Mitchellh starts a new company: 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.

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

PgDog (YC P25) Is Hiring

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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.

Keychron announces first open-source firmware for gaming mice

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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.

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.

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.

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

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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 ...

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

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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 ...

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.

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.

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

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The 2026 Cesium Developer Conference featured sessions on 3D geospatial technologies, digital twins, and open standards for streaming large-scale 3D content.

Infrastructure Patterns for Agentic Applications

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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 ...

I Want to Leave the Internet

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You want to disconnect from the internet but still use it for essential and educational purposes, seeking balance between online and offline life. You're looking to reduce your reliance on the internet for entertainment and social media, feeling it's become too fake and capitalist.

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.

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.

More Tailscale tricks for your jailbroken Kindle

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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.

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.

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.

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...

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.

Disrupting supply chain attacks on NPM and GitHub Actions

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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.

User Interfaces of the Demo Scene

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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.

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

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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 ...

CipherX applies painless permanent tattoos with dissolving microneedle patches

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CipherX's microneedle patch delivers permanent tattoos with minimal discomfort, replacing traditional machines with a single-use, pain-free applicator. The patch's microscopic points dissolve, depositing ink in a fixed pattern, and the image develops over two days with temporary redness or mild irritation.

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.

Ask HN: My domain registrar (Hover) rug-pulled me for $3000

User registered domain onlyfans.sexy 6 years ago for a gag, but was charged $3000 for renewal due to a price hike by the .sexy registry Uniregistry. Hover customer support claims they cannot override the price and have a no refund policy.