Use interpolation methods in CSS gradient functions
Use sin(), cos(), tan(), acos(), atan(), and atan2() to compute trigonometric relationships
Use round, rem and mod functions in CSS
A CSS property value parser for use with PostCSS
A CSS parser, transformer, and minifier written in Rust
Fault-tolerant CSS parser for PostCSS
Do not allow @nest rules
PostCSS plugin to unwrap nested rules like how Sass does it
https://github.com/deanm/css-color-parser-js
Convert colors between RGB, HEX, HSL, HWB, LAB, LCH, and more
lezer-based CSS grammar
Use double-position gradients in CSS
Search CSS(-like) strings
a css gradient parser
Use Custom Media Queries in CSS
memlab core libraries
Enforce nesting when it is possible in CSS
Use Custom Properties Queries in CSS
Format Stylelint errors as GitHub annotations
Bundle CSS
A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations
Parser for the content attribute of the meta viewport
CSS language support for the CodeMirror code editor
Utilities for working with htmlparser2's dom