Haldaug

<p>This plugin creates a widget that displays excerpts from Wikipedia on the tag pages (the template tag.php). The user can specify multiple languages for the plugin to query using the Wikipeida API. The language that has an article that matches the tag has its article displayed.</p>
<h3>Credits</h3>
<p>This widget is based on the WordPress-Wikipedia-Widget by patlockley: <a href="https://github.com/patlockley/WordPress-Wikipedia-Widget" rel="nofollow ugc">WordPress-Wikipedia-Widget</a></p>


Wikipedia for tag pages

A widget that displays excerpts from Wikipedia articles relevant to the tag on tag-pages. Support for multiple languages.

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


Link 2 Wiki

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

Wikipedia for tag pages vs Link 2 Wiki