Sparanoid

A must-have plugin if you’re running a Chinese blog. This plugin also works fine with multisite enabled WordPress (aka. WordPress Mu).
No options, no additional database inserts, no stupid banners and shitty ads, install and go.
你客戶／合作夥伴不光文案寫的爛，而且還不會排版？Space Lover 可以幫到你。它會神奇的在中文、日文和英文、數字、符號之間自動加入空白，讓客戶網站的文案、文章看上去規範整潔。
無選項、無 MySQL 插入，無廣告，安裝即用。
覺得這招治標不治本？也可以試試 <a href="https://github.com/sparanoid/chinese-copywriting-guidelines" rel="nofollow ugc">sparanoid/chinese-copywriting-guidelines</a>，讓你的客戶／合作夥伴學會如何正確的排版。
Before:
<pre><code>今天出去買菜花了5000元
</code></pre>
After:
<pre><code>今天出去買菜花了 5000 元
</code></pre>

Space Lover

Magically add an extra space between Chinese characters and English letters / numbers / common punctuation marks

Techni Orchid LLC

Plugin Name: Sinosplice Tooltips 
Plugin URI: http://www.techniorchidllc.com/extras/wp/sinosplicetooltips/ 
Description: Easily add attractive tooltips to show the pinyin of Chinese characters, glosses for Japanese characters, or any use for tooltip text you can think of. Originally designed for and by Sinosplice.com. 
Version: 1.2.1 
Author: Andy Warmack 
Author URI: http://www.techniorchidllc.com/
Sinosplice Tooltips was conceived by John Pasden as a WordPress plugin 
replacement for the custom CSS and JavaScript code he had been using 
for years on Sinosplice.com. It was originally designed to provide 
pinyin readings for Chinese characters, but is flexible enough to be 
adapted to a variety of uses.

Sinosplice Tooltips

Create attractive and customizable tooltips showing the pinyin of Chinese characters, glosses for Japanese characters,…

Space Lover vs Sinosplice Tooltips