Mouseless – keyboard-driven control of macOS/Linux/Windows

https://mouseless.click/img/social_icons/tux.svg
Mouseless allows for quick cursor control by typing coordinates, reducing strain and pain from repetitive mouse clicks. It provides an efficient solution for effortless cursor control, suitable for those who can't use mice.

Tracing a powerful GNSS interference source over Europe

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A space-based GNSS interference source has caused widespread interference in Europe, Greenland, and Canada since 2019. The source was identified as a constellation of Russian early warning satellites in Molniya orbits.

Cooldown Support for Ruby Bundler

https://blog.rubygems.org/assets/images/og/posts/cooldown-let-new-gems-be-vetted.png
Bundler 4.0.13 introduces cooldown, a time-based filter that refuses to resolve to a version until it has been public for at least N days. This feature is opt-in and complements existing defenses like mandatory 2FA and trusted publishing.

Redis 8.8: New array data structure, rate limiter, performance improvements

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Redis 8.8 introduces several new features including arrays, window counter rate limiters, message NACKing, subkey notifications for hash fields, explicit control over JSON numeric array storage, and multiple aggregators in a single time series query. These features improve performance, flexibility, and efficiency for various use cases such as rate limiting, stream processing, and analytics, ...

Entanglement Builds Space-Time. Now "Magic" Gives It Gravity

https://www.quantamagazine.org/wp-content/uploads/2026/06/Detail-apple.webp
Physicists have found a way to describe how space and matter interact in a quantum universe. They used a new code that incorporates "magic" from non-Clifford gates to make space bend and interact with matter.

Changing how we develop Ladybird

Ladybird is moving to a tighter development process with only project maintainers introducing code changes. This change is necessary to ensure security and accountability as the project prepares for its first alpha release.

C++: The Documentary

https://herbsutter.com/wp-content/uploads/2024/03/herb-cppcon-2021.jpg?w=300
C++: The Documentary premiered on YouTube, showcasing the language's 40-year success story. Key figures like Bjarne, Andrew Koenig, and Herb Sutter contributed to C++'s growth.

databow: a Rust CLI to query any database with an ADBC driver

https://columnar.tech/blog/og-images/introducing-databow-social-preview.png
Databow is a new open source command-line tool for querying databases with ADBC drivers. It provides a unified interface for SQL systems across the data stack with fast queries and a small footprint.

ESP32 Bit Pirate, a Hardware Hacking Tool with WebCLI That Speaks Every Protocol

https://raw.githubusercontent.com/geo-tp/ESP32-Bit-Pirate/pioarduino/images/bit_pirate_uart.gif
ESP32 Bit Pirate is an open-source firmware for multi-protocol hacking and debugging. It supports various digital and radio protocols via serial terminal or web-based CLI.

Fine-tuning an LLM to write docs like it's 1995

https://passo.uno/uploads/screenshot-2026-05-31-at-22-23-46.png
The user fine-tuned LLMs to write like 90s tech writers using Microsoft manuals and achieved convincing results. Fine-tuning is a cost-effective way to adapt models to specific styles, but requires high-quality training data and careful parameter selection.

Meta enables ADB on deprecated Portal devices [video]

See posts, photos and more on Facebook.

Nango (YC W23, dev infra) is hiring staff back end engineers

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From DevExp to high scale to API fragmentation, we work on hard problems.

Leap in DNA synthesis slashes time to build new genetic sequences

https://spectrum.ieee.org/media-library/3d-holographic-illustration-of-dna-helixes.jpg?id=66745351&width=1200&height=900
Scientists have developed a new method called Sidewinder that can assemble dozens of genetic sequences simultaneously with high precision, far surpassing conventional methods. This breakthrough promises to unlock the potential of generative AI in biology by enabling fast, affordable, and accurate physical construction of novel genetic sequences.

Lee Kuan Yew's Singapore Story (2023)

Establishing a secure connection... Request ID: 1fde662982d4ad4acec3eb8b93f3d10e

Azure Linux 4.0 is Microsoft's first general-purpose Linux

https://www.boxofcables.dev/content/images/size/w1200/2026/06/Screenshot-2026-06-03-072838.png
Microsoft released Azure Linux 4.0 in public preview, allowing users to run it on any Azure virtual machine. This marks a shift from a special-purpose appliance distro to a general-purpose Linux distro, built from Fedora with declarative overlays.

Anthropic's open-source framework for AI-powered vulnerability discovery

https://opengraph.githubassets.com/302e26ce5e3a285c560d0c018fc6df7677c5c594df5180a71cfe26ccf02ff69c/anthropics/defending-code-reference-harness
This is a reference implementation for autonomous vulnerability discovery and remediation using Claude, which includes a lightweight SDK-only walkthrough and a managed option called Claude Security. The implementation provides a step-by-step guide to building a vulnerability finding pipeline, customizing the logic, and using it with various access to Claude APIs.

At the Autograph Show

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The writer's mother, Tatum O'Neal, is a celebrity struggling with addiction and has had a stroke, but is now relatively reliable and accountable. The writer is learning to set boundaries and say no to their mother's demands.

The IsUpMap lets you check the status of over 100 major sites at once

https://isupmap.com/images/sponsor/stashsync-app/logo.png
Real-time up/down status heatmap for 80+ popular internet services. See which services are up, degraded, or down — right now.

I'm skeptical about efforts to revolutionize schooling

https://www.scotthyoung.com/blog/wp-content/uploads/2026/05/Revolutionizing-education.jpg
The author, who wrote the book Ultralearning, is skeptical of dramatic proposals to reform schools because research consistently shows that direct instruction and practice are the most effective teaching methods. He believes that schools should focus on increasing efficiency and choosing what to learn, rather than trying to make education more like play or using technology to gamify learning.

Programmers will document for Claude, but not for each other

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The user creates a handoff document for Claude to maintain project knowledge, but now commits it to the repository for future reference. This helps others learn from past projects and ensures accurate documentation.

Show HN: Lowfat – pluggable CLI filter that saved 91.8% of my LLM tokens

https://raw.githubusercontent.com/zdk/lowfat/main/docs/demo.gif
lowfat is a CLI tool that filters unnecessary output to reduce AI token costs. It integrates with shells, allows customization, and provides features like stats and plugin management.

Open Code Review – An AI-powered code review CLI tool

https://raw.githubusercontent.com/alibaba/open-code-review/main/imgs/logo.svg
Open Code Review is an AI-powered code review CLI tool that identifies code defects and generates structured review comments. It combines deterministic engineering with an agent for precise file selection and smart file bundling.

Do transformers need three projections? Systematic study of QKV variants

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers evaluated three projection sharing constraints in transformers, finding that sharing query, key, and value projections (Q-K=V) achieves comparable or better performance with 50% cache reduction in language modeling. This approach is complementary to head sharing, enabling up to 96.9% cache reduction for practical on-device inference.

Communication on European Tech Sovereignty, and an EU Open-Source Strategy

https://digital-strategy.ec.europa.eu/sites/default/files/styles/newsroom_large/public/newsroom/items/AdobeStock_1129087362SP_Da_360x240px_kHXxPnqWIV0nzCu0qDFMv6gN4_236336.jpg?itok=gW1aPWqQ
The Commission proposes a comprehensive strategy for technological sovereignty through interconnected initiatives across the value chain. Key acts include Chips Act 2.0 and Cloud and AI Development Act to boost domestic demand and unlock AI potential.

Watching a Z80 from an RP2350

You're experimenting with connecting a Raspberry Pi Pico RP2350 to a Z80 CPU and exploring its address and data bus. The minimum clock speed possible for the Z80 is around 5KHz, and you're looking to implement a bus read using the Pico C/C++ SDK functions.

Meta's ships facial recognition on smart glasses

https://storage.ghost.io/c/b8/53/b853e3d4-3186-409d-9c7f-7da931a60431/content/images/2026/06/10_foucault_input.jpg
The Meta app Stella for smart glasses has a complete on-device facial recognition system, including detection, alignment, embedding, and notification, but it is not active for ordinary users. The system is functional and can recognize faces, but it requires enrollment data and is not enabled in production, suggesting it is a capability waiting to be shipped.

Ohbin – uv wrapper for installing tools from GitHub

https://opengraph.githubassets.com/bca60cdd94aad51ed20365cdc7a891808a5346f686389c2c0a2c521088e61770/prostomarkeloff/ohbin
ohbin is a tool that downloads and verifies GitHub release binaries, caching them for reuse. It uses a single engine to manage multiple tools.

Retro-Tech Parenting

https://havenweb.org/assets/images/retro.jpg
As a technologist and parent, I'm choosing to share enriching aspects of technology with my kids by using physical media like CDs and DVDs, and setting up a home phone and computer with curated access to the internet.

SpaceX, Other Mega IPOs Denied Fast Index Entry by S&P

Bloomberg's S&P Dow Jones Indices will keep existing eligibility requirements for main benchmarks. It rejects proposals to make it easier for large companies to join the S&P 500 Index after going public.

Branchless Quicksort faster than std:sort and pdqsort with C and C++ API

Blqsort is a fast sorting algorithm that uses branchless partitioning and custom sorting networks for small subsets. It can be used in C++ and C with multithreading support and is suitable for sorting custom data structures.