CSS, LESS, SASS

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

SAC is a standard interface for CSS parsers.

Batik CSS engine

Official LESS CSS Compiler for Java

Java CSS 3 parser and builder

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

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

W3C CSS Validator

CSSBox is an (X)HTML/CSS rendering engine written in pure Java. Its primary purpose is to provide a complete information about the rendered page suitable for further processing. However, it also allows displaying the rendered document.