An open textbook for Discrete Mathematics, as taught at the University of Northern Colorado
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Updated
Mar 26, 2026 - TeX
An open textbook for Discrete Mathematics, as taught at the University of Northern Colorado
Open-Source Collection of Social Engineering Pretexts
LayoutSans — Pure TypeScript 2D flex/grid layout engine powered by Pretext. Zero DOM. Zero WASM. Gives exact pixel positions for any flex/grid tree. Full canvas text interaction: selection, copy, Ctrl+F search, hyperlinks, and screen-reader a11y. Runs everywhere (Node, Bun, Deno, Workers, browser).
Pure JavaScript/TypeScript CSS layout engine — no browser DOM required
A curated list of demos, community projects, tips, tutorials, and news for @chenglou/pretext — the 15KB DOM-free text layout engine that's 500x faster than browser layout
Curated ecosystem list for projects built on Pretext, with live demos and community examples.
Bad Apple!! Rendering using Cheng Lou's Pretext library
The Community Tweet Wall — a curated, newspaper-style wall of tweets from the community.
Predict React Native text heights before rendering. Native TextKit/TextPaint measurement + ~0.0002ms JS layout. FlashList, streaming AI chat, typewriter, pinch-to-zoom, obstacle reflow, Dynamic Type, Expo Web. 386 tests. MIT.
Discrete Math for Shockers - textbook for Math 321 at Wichita State University
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Pinterest-style masonry grid with Pretext height prediction. 10K+ cards virtualized.
A paragraph composer that is better than inDesign's with proper justification, optical margins/hanging punctuation, and editorial rags.
Interactive Text Experiences for the Web — After Effects for text. Built on Pretext by @chenglou. Real-time text reflow around moving objects at 60fps.
CinemASCII: A professional, high-performance real-time ASCII video player using React and @chenglou/pretext. Transform MP4/WebM videos into fluid, cinematic ASCII art with zero DOM reflow and up to 4K export support. 🎞️✨
Automorphic Forms and the Arthur-Selberg Trace Formula
Dive into a realistic fishing experience right in your browser - no installation required, no restrictions. Dynamic weather changes, lifelike fish behavior, and sophisticated physics create a fully immersive experience. Here, every cast counts, and every fish is the result of your strategy, patience, and skill.
pretext-showcase magical innovation
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