This plugin allows you to easily insert a wide variety of links into your wordpress documents with the following tag style:
[ln wikipedia]topic[/ln]
[ln php]htmlentities[/ln]
[ln amazon]978-0321396853[text]Eclipse Web Tools Platform[/text][/ln]
Or you can add links by clicking the ‘ln’ button inside of the wysiwyg editor. This will bring up a dialog box where you enter in the necessary data for that particular link
New link types can be easily added and existing links can be easily modified from the wordpress options page.
The following types of links are currently supported by default (with more on the way):
<ul>
<li>amazon</li>
<li>gravatar</li>
<li>php</li>
<li>twitter-rss</li>
<li>wikipedia</li>
<li>wppost</li>
</ul>

linkle

Easily embed links to wikipedia topics, amazon book sales, php documentation, and more with [ln linktype]topic[/ln].

Add a button in to editor, user can insert a wikipedia link and hudong wiki link next to the selected text.
<a href="http://www.hudong.com/" rel="nofollow ugc">Hudong.com</a> Inc. is running the largest Chinese wiki platform in this Web-RW era. Built on the first proprietary Chinese wiki software enabled by extensive Web 2.0 features, Hudong.com grows to be the largest “Chinese Wikipedia” with improving quality where the content is updating continuously through collective human knowledge contribution. On the other hand side, Hudong released <a href="http://kaiyuan.hudong.com/" rel="nofollow ugc">HDWiki</a>, the world’ s first Open Source Chinese wiki software HDWiki to fulfill one million websites’ demand to build up a wiki channel or independent wiki site, which helps build up an active wiki community. As the first commercial wiki application in China, Hudong also makes huge contribution to the community and society by promoting mutual trust and social collaboration.

Link 2 Wiki

Add a button in to editor, user can insert a wikipedia link and hudong wiki link next to the selected text.

linkle vs Link 2 Wiki