dmonnier

Links to LiveJournals have a very distinctive look: the icon followed by the journal name. This shortcode follows the same format as LiveJournal’s own markup and provides the same results, which you can easily customize with your own CSS styles.

LiveJournal Shortcode

Quickly create text links to LiveJournals in the same format as LJ with this shortcode.

RikkiMongoose

If you write about somebody at Facebook or Google Plus – mark his name with an icon!
i.e. [userid type=”blogspot” id=”torvalds-family”]Linus Torvalds[/userid]
The following social networks are supported:
<ul>
<li>facebook</li>
<li>twitter</li>
<li>google_plus</li>
<li>WordPress</li>
<li>Livejournal</li>
<li>liruboy / lirugirl</li>
<li>vk</li>
<li>habrahabr</li>
<li>github</li>
</ul>

Rikki's WP Social Icons

If you write about somebody at Facebook or Google Plus - mark his name with an icon!

LiveJournal Shortcode vs Rikki's WP Social Icons