Tech
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Applefritter
A long-running community forum and wiki for vintage Apple computer collectors, covering restoration, modification, and A…
aQRoss
A browser tool that shares files between devices through a QR code with no sign-up needed, so you can move a document fr…
arachnoid.com
Paul Lutus's long-running personal site of science, math, astronomy and programming pages, with orbital modeling, classi…
Arbitrary LaTeX Reference
A hand-written reference of LaTeX notes and examples covering the tricks and gotchas that come up in papers, reports, an…
thehistoryofhowweplay.wordpress.com
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Arcade Authorship - High Score Table Credits
How 1980s arcade designers, denied on-screen credit, smuggled their initials and names into default high score tables -…
Arcade Controls
A long-running DIY resource for building arcade controls, with an FAQ, instructions, downloads, dozens of worked example…
ARC-AGI-3
An interactive reasoning benchmark of small novel games that humans can play and AI agents try to beat, testing how well…
Architextures
Build seamless architectural textures in the browser: pick brick, tile, timber or stone, tweak the bond pattern, joints…
Archive Team
A loose collective of volunteer archivists racing to save websites and datasets before they are shut down or deleted.
Archive.is
A webpage snapshot service that saves a permanent copy of any page so it stays available even if the original goes offli…
Archive.today
A web archive that saves a permanent snapshot of any page you give it, so a link stays readable even after the original…
ArchiveWeb.page
A Webrecorder tool that archives web pages as you browse, stores the captures locally, and lets you share them with othe…
Arduino - Home
The official site for Arduino, an open-source electronics platform of microcontroller boards and software for building i…
Arduino Project Hub
Arduino's official showcase of community-submitted microcontroller projects, each with wiring diagrams, code, and step-b…
ArduPilot
The home of the open-source autopilot software project, offering documentation and forums for hobbyists building drones…
Are We Trek Yet?
A guide tracking how close real-world technology is to the devices imagined in Star Trek, along with the builders workin…
Are You Living in a Simulation?
Nick Bostrom's original 2003 paper laying out the simulation argument, the reasoning that made 'we might be living in a…
Are You You?
An art project that lets you try to fool a face recognition algorithm by pulling funny faces, showing how large-scale fa…
AreoBrowser
An interactive explorer of Mars that lets you pan across martian terrain and browse millions of rover photos from the Pe…
Ariel Roffe
A personal website reimagined as a Pokemon-style minigame built with Phaser 3, where you wander a tiny world to meet the…
ArnoldC
An esoteric programming language whose keywords are Arnold Schwarzenegger one-liners, with a reference and examples for…
Around the World, Part 30: Making Better Waves
A deep dive into rendering pixelated water waves, covering how the author models and draws ocean waves in a procedural w…
ArrayCat
A browser tool that converts text lists and CSV columns into arrays, JSON, or SQL, with sorting, duplicate removal, and…
ARRL
The American Radio Relay League, the principal membership organization for amateur radio operators in the United States.
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