Alexander Rauscha

InfoLink adds a Button to the Editor, so you can easy link words from your post to wikipedia, imdb (supports English/German/Espanol/Fran?ais wiki and imdb) or any site searched by google. Just select a word or sentence and click on the button or chose a service from the menu. The Word will be automatically searched and infolink will select the most meaningful result. (with the option to edit them)

InfoLink

Quickly add Links to Wikipedia, IMDB Sites or search for site/blog or news with Google. And New with 1.3 also your bookmarked Links.

samwilson

The Embed Wikimedia plugin adds support for embedding photos from Wikimedia projects such as Wikipedia, Wikimedia Commons, and Wikidata.
It requires no configuration, and to use you just add a URL of any of the above sites on its own line in a WordPress post or page.
Development is on Github at <a href="https://github.com/samwilson/embed-wikimedia" rel="nofollow ugc">samwilson/embed-wikimedia</a>; 
please report all issues there.

Embed Wikimedia

The Embed Wikimedia plugin adds support for embedding photos from Wikimedia projects such as Wikipedia.

InfoLink vs Embed Wikimedia