Developer rebuilds Doom using only CSS and HTML, turning divs into a full 3D game engine

Leenheer is best known for creating HTML5test.com, the WhichBrowser user-agent parser. He began exploring a CSS-based Doom ...
GitHub

Interactive visualization exploring the geometry and design of fan blades using SVG and JavaScript.

This project is an interactive website that explores how geometry influences the design and efficiency of fan blades. The site demonstrates how mathematical curves, symmetry, and rotation can be used ...
GitHub

Text in, SVG out. A .NET library and CLI that turns plain-text diagram descriptions into clean, self-contained SVG — no browser, no JavaScript runtime, no headless Chrome.

Representative snapshot fixtures from the E2E suite. Click any thumbnail to open the full-size SVG.