Tailcat: Tailscale Without Tailscale, by Tailscale

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Tailcat is an open-source Go package and CLI tool that allows users to use Tailscale's data plane without the control plane, providing a way to connect two devices over WireGuard encryption. It offers various features such as NAT traversal, DERP fallbacks, and SOCKS server functionality.

Fastpotify

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Winamp is a native binary music player that starts quickly and uses little memory, allowing local playback and control on various devices. It features browsing playlists, search, keyboard shortcuts, and customizable skins for a period-accurate experience.

Google Antigravity introduces Boost deep reasoning (/boost)

https://antigravity.google/assets/image/sitecards/sitecard-documentation.png
The /boost command in Antigravity 2.0 is an on-demand multi-agent reasoning pipeline for complex software engineering tasks, providing interactive and high-intensity developer productivity. It breaks down challenges into discrete subtasks, performs root-cause debugging and verification, and delivers results directly within day-to-day coding sessions.

2004 RuneScape fit a multiplayer RPG into 56k dial-up

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The author reminisces about playing RuneScape in the early 2000s and how it was a sustained exercise in not wasting bytes due to its limited bandwidth. The protocol used by Jagex, which has remained largely unchanged since 2001, is highly optimized for efficiency.

I turned my security cameras into an automatic bird identification system

https://jasontucker.blog/content/images/size/w2400/2026/06/birdnet-2.jpeg
The user set up BirdNet-Go, a bird identification system that uses AI models to analyze audio from security cameras' microphones, identifying birds and other wildlife in real-time. This setup has become a fun game for the user and their wife, providing insights into local biodiversity and even connecting with other birders through a community platform.

Playa Phone

https://playaphone.com/images/booth.3c995833ab2c.jpg
A phone booth is available at Burning Man for free calls to anywhere in the world. Dial +1 (775) 557-4848 to connect with a random Burner or add it as a contact later.

A walkable ASCII cyberpunk city in one HTML file [video]

Terence Tao explains 6 essential mathematical concepts [video]

Restroom Archive

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This restroom is accessible through the bar area of the pizza restaurant and is the family restroom on the left. The interior is spacious with subway tiles on the lower half of walls and wood paneling on the upper half. The floor is tiled in a basket weave pattern. There is no decor, but the door and soap dispenser are covered with graffiti tags.

Dwarf Fortress is getting the mother of all magic updates

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Dwarf Fortress is getting a major update with procedural magic systems, allowing for unique and unpredictable magical situations. The update promises to revolutionize the game's existing magic system, enabling discovery-based research and exploration of new forms of sorcery.

RotaryCell: Making an unmodified rotary phone work over LTE with an ESP32-S3

https://raw.githubusercontent.com/fregacmols/RotaryCell/main/docs/images/rotarycell-prototype.jpg
RotaryCell transforms a traditional rotary phone into a portable cellular device using original components and added electronics. It provides detailed wiring and PCB references for building or modifying the prototype.

Evidence of Fraud in an Influential Study About Procrastination

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Researchers found anomalies in the original data of Ariely and Wertenbroch's 2002 study on deadlines and procrastination, suggesting it was tampered with. The data showed implausible effect sizes, duplicated observations, inconsistent correlations, and non-rounded self-reported minutes.

Develop Cross-Platform CLI and GUI Tools with Tcl/Tk

https://cgicoffee.com/blog/content/images/2026/tcl-tk-article/indiana-jones-tcl-tk-hero-title.jpg
Tcl/Tk is a powerful, cross-platform GUI toolkit that has been widely used for over 40 years. It provides a portable, native-looking interface to help manage high-performance binaries and can be used with various programming languages such as Python. Tcl's syntax is unique, with everything being a string and data being indistinguishable from code, which can make it challenging for modern ...

Borges Labyrinth in Venice reopens to the public

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A labyrinth in honor of Jorge Luis Borges was built on the island of San Giorgio Maggiore in Venice, Italy, 25 years after his death. The restored maze features a tactile map and is designed to evoke memories of Borges' life and works.

Apple caught off guard by AI demand for Mac Mini and Mac Studio

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Apple unexpectedly released new Mac mini and Mac Studio models due to strong enterprise demand for AI hardware, driven by a boom in AI-driven sales. The early launch coincides with the global memory shortage, leaving many configurations out of stock.

Show HN: Laser Graffiti

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This is a DIY laser graffiti project that uses a mouse or finger as the "laser" to draw on a projector screen. The camera detects the drawn strokes and maps them onto the projector, creating interactive artwork.

A Cyanometer and a Cloud Colourimeter

https://byopiapress.com/wp-content/uploads/2024/05/cyanometer.jpg
A DIY cyanometer measures sky blue, inspired by a 1789 invention. Print the PDF for a working model or explore commercial versions.

Cheap GPS jammers are filling the world with navigation dead zones

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Smartphone LED detects hidden cameras with AI

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Smartphone LED and AI Detect Hidden Cameras KAISTs SweepLED achieves 94% accuracy with 10,000 won LED device A technology has been developed to detect

I think the military commissary's freezers were hacked

Autonomous (YC F25) is hiring engineers

ATG (Autonomous Technologies Group) is an AI lab deploying frontier reasoning systems within financial markets. Autonomous (https://becomeautonomous.com) is an agentic wealth strategist built on this foundation.

Run macOS Software on Linux

Darling is free and open-source software that runs macOS apps on Linux, similar to Wine for Windows. It's based on the original Darwin source code and aims to fully integrate apps into the Linux desktop experience.

Lion-man

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The Löwenmensch figurine, a 35,000-41,000-year-old sculpture from the Upper Paleolithic era, is an anthropomorphic representation of a lion-human hybrid discovered in Germany. It was carved out of mammoth ivory and features human-like body parts with the head of a cave lion.

RavynOS: Pre-alpha open-source OS based on Darwin, FreeBSD, Apple open-source

ravynOS aims to bring macOS features like clean design and drag-and-drop installs to its platform. It offers a distraction-free interface, standard Command-key shortcuts, and a familiar file hierarchy for users.

ChatGPT Work Tool and Skill Reference

This toolset provides various capabilities, including automation, Gmail and Google Calendar management, website building and deployment. It also offers personal context retrieval and pet management within ChatGPT Work mode.

DoltLite: A SQLite fork with Git-style version control, built with 2k agent PRs

https://www.dolthub.com/blog/_astro/tim-bitmoji.Nnzi8mKA.webp
DoltLite is a Beta version of SQLite with added version control features, developed by a team of agents. It offers branch, merge, and diff functionality on top of the existing SQL parser and analyzer from SQLite.

'Mad honey' that can stop your heart is being sold online

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Internet centralization and the original sin of NAT

https://imgs.xkcd.com/comics/file_transfer.png
The concept of an ordinary person having a FTP server is quickly dismissed due to NAT, which allows multiple devices to share an IP address. This has led to workarounds like port forwarding and STUN, but also restricts direct connections between peers.

Reverse engineering my ADHD test

https://nullpt.rs/posts/reverse-engineering-adhd-test/telescope.jpg
The author, after noticing clear stars on a night of light pollution, ordered a telescope and discovered it sparked an interest in new hobbies. This led to him getting evaluated for ADHD by his psychiatrist.

Visualizing Combos in Judo in R

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The author analyzes Judo attack combinations using network analysis to identify techniques that are most frequently used, influential, and critical in successful attacks. The results show that Ouchi-gari is a highly connected technique with high influence, while foot throwing techniques (Ashi-waza) form two distinct clusters within the network.