WebMaestro.Fr

Write SASS, edit your variables and compile your stylesheet from your dashboard.
<a href="http://webmaestro.fr/sass-compiler-wordpress/" rel="nofollow ugc">Read the documentation</a>
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Register and enqueue your SASS sheets the same way you would do for your CSS.
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wp_enqueue_style( ‘my-sass-handle’, ‘http://example.com/css/mystyle.scss’, $deps, $ver, $media ); 
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Configure the plugin with the <code>sass_configuration</code> filter.
Configuration of the plugin is optional, but you should at least register your variables if you are using a CSS framework.
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Set a SASS variable value
<pre><code>`
</code></pre>
sass_set( $variable, $value ); 
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Get a SASS variable value
<pre><code>`
</code></pre>
sass_get( $variable ); 
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You will most likely use these functions in your theme’s <code>functions.php</code>.
The plugin uses <a href="http://leafo.net/scssphp/" rel="nofollow ugc">the scssphp Compiler</a>.

SASS Compiler

SASS compiler for WordPress. Allows you to write and compile SASS, and to edit style variables straight into your WordPress dashboard.

Ari Stathopoulos

Dimitris Kalliris

Unyson

This is a simple plugin that loads the Less.php and scssc classes and makes them available to other plugins and themes. 
When activated this plugin will not do anything. 
It has no functionality on its own, but can be used as a dependency for other plugins & themes.
Includes the Less.php class from http://lessphp.gpeasy.com/ and scss from http://leafo.net/scssphp/

Less PHP Compiler

Includes the less.php preprocessor so that it may be used by other plugins or themes.

SASS Compiler vs Less PHP Compiler