A nice script highlighter that I need to integrate at some point. It is written in javascript so does not rely on server side technologies which is quite nice and will highlight the following languages.

Language Aliases
C++ cpp, c, c++
C# c#, c-sharp, csharp
CSS css
Delphi delphi, pascal
Java java
Java Script js, jscript, javascript
PHP php
Python py, python
Ruby rb, ruby, rails, ror
Sql sql
VB vb, vb.net
XML/HTML xml, html, xhtml, xslt

Produces output that looks like this…