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].

Piotr Pesta

Wikipedia Anniversaries is a widget that lets your visitors to see important history dates from Wikipedia. Supported languages so far: Deutsch, Polish, English and Persian. More languages in the future. To customize style just edit style-wiki-this-day.css file. Cache support – 5 hours refresh rate.
If you would like to show your support for this software, please consider donating: <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=EEDF5TV3M2WVG&lc=US" rel="nofollow ugc">Donate via PayPal</a>.

Wikipedia Anniversaries

Wikipedia Anniversaries is a widget that lets your visitors to see important history dates from Wikipedia.

linkle vs Wikipedia Anniversaries