agmorpheus

Syntax Highlighter ComPress is a simple WordPress plugin, that is based on the latest <a href="http://alexgorbatchev.com/wiki/SyntaxHighlighter" rel="nofollow ugc">Alex Gorbatchev’s SyntaxHighlighter Script</a>. Code and source text of different mark-up or programming languages can be highlighted in WordPress.
There are other WordPress plugin based on the SyntaxHighlighter Script but these cause long page loading times and they are difficult to handle. The advantage of Syntax Highlighter ComPress is that only necessary brush files will be loaded dynamically. Another advantage is that your code can easily pasted into your posts, no need to replace all ‘<code><</code>‘ with ‘<code>&lt;</code>‘.
Supported mark-up or programming are: AppleScript, ActionScript3, Bash/shell, Coldfusion, C#, C++, CSS, Delphi, Diff, Erlang, Groovy, JavaScript, Java, JavaFX, Perl, PHP, Plain Text, Python, Ruby, Scala, SQL, Visual Basic and XML.
The plugin is localized in English, German and Romanian.

Syntax Highlighter Compress

Syntax Highlighter ComPress is a plugin for code syntax highlighting. It loads fast on the website and code can pasted easily into Wordpress.

randexdev

This simple WordPress plugin adds support for the Swift Programming Language to the SyntaxHighlighter Evolved plugin. 
Requires SyntaxHighlighter Evolved plugin to be installed first.

SyntaxHighlighter Evolved: Swift Brush

Adds support for the Swift Programming Language to the SyntaxHighlighter Evolved plugin.

Syntax Highlighter Compress vs SyntaxHighlighter Evolved: Swift Brush