Tech
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Nuts & Volts Magazine
A magazine for hands-on electronics hobbyists and experimenters, covering amateur radio, circuit projects, and the tools…
Nxt Museum
An Amsterdam museum dedicated to new media art, showing immersive installations, light works, and exhibitions where art…
Obituary for Cyc
An in-depth essay on Cyc, the forty-year project to hand-code common sense into a computer, covering its millions of rul…
Object Dot Computer
A small personal site of poems, photos and notes on bikes, leftist politics and technology that sets people free rather…
Obnoxious.css
A library of loud, over-the-top CSS animations with live demos you can click through, made for the strong of heart and w…
Observable
A platform hosting thousands of free, interactive JavaScript notebooks where data journalists and engineers build and sh…
Obsidian Garden Gallery
A hand-picked gallery of 280-plus public sites built with Obsidian, including digital gardens, Quartz sites and Publish…
Obsolescence Guaranteed
The blog of a vintage computer collector documenting restoration projects and unusual finds, including obscure and one-o…
Off Grid Home
A long-running site on living off the grid, with thousands of articles on the people, technologies, and ideas behind the…
Off World Backup
A tongue-in-cheek pitch for saving your files off-world before the apocalypse, paired with a clear explainer of how data…
Official PlayStation 1 Development Kit
A deep dive into the official dev kit hardware Sony gave studios to build PlayStation games, with photos of the boards,…
OFRAK Tetris
A twist on Tetris in which the falling blocks are ARM assembly instructions that execute on a full in-browser CPU emulat…
OGLdev
A collection of modern OpenGL tutorials by Etay Meiri that walk through rendering, lighting, and shaders step by step, w…
Oh My Git!
An open source card game that teaches Git by showing a live picture of a repository, turning commits, branches and merge…
Oh My Zsh
The home of Oh My Zsh, a hugely popular open-source framework for customizing the Z shell with themes and plugins.
OhGizmo!
A long-running gadget blog posting a steady stream of quirky devices, innovative gear and clever design from around the…
oimo.io works
A gallery of dozens of original physics toys, simulations, and interactive browser experiments built by Japanese develop…
Ok! So
A browser drawing app for sketching ideas, diagrams, and notes on a freeform canvas, built to help you express and organ…
OKAI
An interactive introduction to artificial intelligence from Brown University that uses graphics to explain core AI conce…
Okhsv and Okhsl
Bjorn Ottosson explains why classic HSV and HSL color pickers are perceptually broken and introduces two better color sp…
OKLCH Color Picker
A color picker and converter for the OKLCH color model, a perceptually uniform alternative to hex, RGB, and HSL that sui…
OKLCH Colour Space
An interactive 3D explorer for the OKLCH color space that renders the sRGB boundary as a solid, heatmap, or lightness ma…
OKSolar
A refreshed take on the Solarized color scheme that rebuilds the palette in the OKLab perceptual colorspace, so lightnes…
Olaf: Acoustic Fingerprinting on ESP32 and in the Browser
A write-up of Olaf, an acoustic fingerprinting system that identifies audio on a tiny ESP32 microcontroller and also run…
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