Stylus can mean the following things:
Generally speaking, a stylus is a writing utensil, which also has a digital pendant and a computing device named after it due to their similar appearance.
Compile and package Angular libraries in Angular Package Format (APF)
🎨 Universal Rollup plugin for styles: PostCSS, Sass, Less, Stylus and more.
Using word vectors to classify spam messages
ESLint plugin for Scoped CSS in Vue.js
A platform for finding dependencies between files and building tools for incremental compilation or build.
Regular Expression Collection (ReactJS, Redux, React Router, Recompose, NodeJS, Express)
Lightweight basic CSS style sheets.
iq Blueberry design system
An starter project to write Smart Contracts using Arbitrum Stylus https://arbitrum.io/stylus SDK in C Lang.