Highlight new posts for returning visitors.
WordPress最简单，最小巧的代码高亮插件/WordPress simplest, most compact, preferably with code highlighting plug
Blibahblubah allows the blog owner to customize the tag cloud so that mousing over the tag cloud will see customizable effects.
jQuery.Syntax is an extremely fast and lightweight syntax highlighter.
A plugin allowing you to easily set all the WP-Syntax color settings in one place and configure WP-Syntax to fit your theme.
Add highlights and other text effects to put emphasis on your writing.
One-click implementation of the New York Times open-source emphasis script for highlighting and permalinking text.
This plugin extends the default plain-text Plugins Editor with more features such as: line numbers, colour-coded code syntax and error-checking.
Mark posts, pages and custom posts in your WordPress admin; pretty similar to how stars in Gmail work.
Easy code highlighting for WordPress with Chili
Some shortcodes to highlight parts of the text (notice, attention, infoboxes...). TinyCode processes your content and changes the pre-defined shortcod
A simple, lightweight code snippet plugin with 4 color schemes that displays code in posts similar to how WordPress.org does.
Highlight as you surf => Directly posts highlights to your website. Look/feel customizable. Very, very COOL
Plugin shows a special message to your blog's visitors, who coming from search engines (Google, Yandex, MSN, Yahoo, Mail.ru, Altavista, Liveinternet,
SmartAss Highlighter is extremely simple and easy to use syntax highlighter for your code. Shortcode - [highlighter]
Code highlight, supporting a wide range of popular languages.
Add a style class to specific comments (or all comments) based on the authors email, url or name or based on post ID, comment ID or pingbacks.
Embed GitHub, Gist or Bitbucket files.
EasyCode provides a convenient way insert code to your posts, pages and comments. Your code will be displayed friendly to readers.
Quickly create and embed individual code snippet posts. Access the snippet post directly, view raw, or show all snippets in an archive list.
Highlight Focus on tab key pressed.
Say goodbye to plugins like SyntaxHighlighter Evolved and WP-Syntax (NEW!) and hello to [highlight.js](http://softwaremaniacs.org/soft/highlight/en/).
Search Results Optimizer learns which results users find useful and automatically prioritizes them in future searches.
This plugin uses pygments to highlight code on the server, with a simple shortcode. For example, [pyg]print "Hi"[/pyg]).
My Syntax provides clean syntax highlighting for embedding source code within pages or posts.
Highlight Comments allows you to highlight comments, which are worth reading. It can highlight your own comments as well and is fully customizable.
It adds 3 new custom fields to comments (Featured, Buried, Children buried), allowing you to add special properties to each of them.
Indexy allows you to create and manage a glossary of terms, and can automatically highlight terms when you use them in your posts.