Frank Bueltge

The plugin is not longer supported and is not maintained.
Security your WordPress-Installation and eliminate or replace your wp-version and database-version on easy way with a small plugin, also on Feed and style- and script-urls.
If you’re running an older version of WordPress, anyone can view source to see what attacks might work against your blog. This plugin replace the WP-version with a random string < WP 2.4 and eliminate WP-version > WP 2.4.
Please visit <a href="http://bueltge.de/wordpress-version-verschleiern-plugin/602/" title="Replace WP-Version" rel="nofollow ugc">the official website</a> for further details and the latest information on this plugin.
» more security-informations: <a href="http://wordpress-buch.bueltge.de/wordpress-sicherer-machen/30/" title="WordPress sicherer machen" rel="nofollow ugc">WordPress sicherer machen</a> (german)

Replace WP-Version

Replace the WP-version with a random string < WP 2.4/5 and eliminate WP-version > WP 2.4/5, also on Feed and style- and script-urls

Adam Harley (Kawauso)

Removes the WordPress version string from:
<ul>
<li>The <code>$wp_version</code> global variable (frontend only)</li>
<li>Generator tag output (removed entirely)</li>
<li>‘Right Now’ admin dashboard widget (non-admins)</li>
<li>Admin dashboard footer (non-admins)</li>
<li>Scripts and stylesheets enqueued without a version declared</li>
<li>HTTP queries</li>
<li>XML-RPC responses</li>
<li>Pingbacks</li>
<li>Bloginfo() calls</li>
</ul>
Also removes the update notice in the admin for non-admins.

Hide WordPress Version

Removes your WordPress version from various places.

Replace WP-Version vs Hide WordPress Version