Stephanie Leary

<p>This plugin appends the author’s display name to posts and/or pages. There is an option to turn off the display on your own site, so the signature is visible only in feeds and crossposted content.</p>


Post Signature

Appends the post author's display name to posts. Useful for multi-author blogs that are crossposted elsewhere, such as LiveJournal or Facebook.

CorneliousJD

<p>LJ-XP automatically crossposts blog entries to your LiveJournal (or LiveJournal-based clone) account.</p>
<h4>Features</h4>
<ul>
<li>Crosspost entries to a LiveJournal account or community.</li>
<li>Customize the crosspost header or footer notice using built-in shortcodes, or <a href="http://code.google.com/p/ljxp/wiki/CustomHeaderFields" rel="nofollow ugc">create your own</a>.</li>
<li>Force comments to be on one site or the other, or allow them on both.</li>
<li>Edit privacy settings for the LiveJournal posts. Choose whether to crosspost private WordPress posts to LJ as private, for friends (including custom friends groups), or not at all.</li>
<li>Assign tags based on WordPress categories and/or tags.</li>
<li>Assign <code></code> tag settings (use LJ-cut or just link back to the WordPress post).</li>
<li>Crosspost only certain categories.</li>
<li>Crosspost excerpts or full text.</li>
<li>Choose LJ userpics for each post.</li>
<li>Add the link to the LJ post to your WordPress post or theme.</li>
<li>Relative links in the WordPress post are converted to full URLs in the crosspost.</li>
<li>WordPress galleries, which rely on theme CSS for layout, are crossposted with inline styles.</li>
<li>Option to <em>not</em> crosspost by default.</li>
</ul>

LiveJournal Crossposter

Lots of errors in the latest wp version: 4.9.6–en_GB

Errors

Automatically crossposts your WP entries to your LiveJournal or LJ-based clone.

Post Signature vs LiveJournal Crossposter