Document Colour Tracking Dots, or yellow dots, are small systematic dots which encode information about the printer and/or the printout itself. This process is integrated in almost every commercial colour laser printer. This means that almost every printout contains coded information about the source device, such as the serial number.

This tool gives the possibility to read out and decode these forensic features and enables anonymization to prevent arbitrary tracking.

A curated list of the most acclaimed restaurants and bars around the world.

Self-hosted open-source web gallery to browse personal photos and videos featuring tagging, mobile-friendly, and AI powered image discovery

Donald Knuth commentary on his experimentation with Chat-GPT.

Pollution levels in the Seine have fallen sharply over the last 20 years.

Explains how to setup fetchmail and CUPS in order to automatically print e-mail attachments.

In depth introduction to SVG.

A custom map for Doom II that has gained a cult following for its scary elements.

Lego instruction booklets, organized by year and category.

A dump of all available building instruction booklets from the LEGO website

Despite the name, it’s a real bona fide meme generator using images and fonts extracted from video games. Best place to make Symphony of the Night Dracula memes. Oh, and it’s by @foone.

Convert email newsletters into Atom feeds.

Computer font of the Old Tongue based on the font used in the graphic novels.

It’s Tetris, but blocks turn into sand. You can clear pixels by lining up the same continuous color from left to right.

Convert between different color formats by providing a color in one of these formats hex, rgb, rgb percent, ryb, cmy, cmyk, hsv, hsl, cielab, cielch, xyz, yxy, yuv, android, decimal.

Complete keymap for a cyberpunk oled animation for corne keyboards.

Ithkuil is an experimental constructed language designed to minimize the vagueness and semantic ambiguity in natural human languages. Its creator intended the language to be of use in elaborate and profound fields where more insightful thoughts are expected, such as philosophy, arts, science, and politics.

Open source book dedicated to helping you to make the best possible sourdough bread at home.

A unique multiplayer game built on a free Web API. The best sandbox platform to learn a new skill or apply your knowledge in a fun and meaningful way. Use any programming language with our RESTful API to control the most powerful fleet in universe.

Insights on running a Home Area Network (HAN) nearly completely on open source software, including configurations and metrics.