CSS, LESS, SASS

A CSS parser which implements SAC (the Simple API for CSS).

SAC is a standard interface for CSS parsers.

Official LESS CSS Compiler for Java

Batik CSS engine

Less language is an extension of css and less4j compiles it into regular css. It adds several dynamic features into css: variables, expressions, nested rules. Less4j is a port. The original compiler was written in JavaScript and is called less.js. The less language is mostly defined in less.js documentation/issues and by what less.js actually do. Links to less.js: * home page: http://lesscss.org/ * source code & issues: https://github.com/cloudhead/less.js

A pure Java implementation of the http://sass-lang.com compiler

Java CSS 3 parser and builder

A Java wrapper for LESS (http://lesscss.org). LESS extends CSS with: variables, mixins, operations and nested rules.

W3C CSS Validator

Java CSS 2 and CSS 3 parser and builder