Pankaj Jha

<a href="http://onlinewebapplication.com" rel="nofollow ugc">Author Site</a>| 
<a href="http://onlinewebapplication.com/2011/10/wp-seo-paginate.html" rel="nofollow ugc">Plugin Home Page</a>
Replaces the basic paging style with a simple paging navigation interface. WP-SEO-Paginate is a simple and flexible pagination plugin which provides users with better navigation on your WordPress site. In addition to increasing the user experience for your visitors, pagination also increases the SEO of your site by providing more links to your content. WP-SEO-Paginate can also be used to paginate post comments! Pagination for easier navigation on your WordPress
Feature:
<ol>
<li>Replaces the basic ? Older posts | Newer posts ? links with a simple paging navigation interface.</li>
<li>Works on all modern browsers.</li>
<li>Backwards Compatibility.</li>
<li>Very simple configuration.</li>
<li>Support all the theme.</li>
<li>SEO compatible.</li>
<li>WP-SEO-Paginate can also be used to paginate post comments</li>
</ol>
Translations: https://plugins.svn.wordpress.org/wp-seo-paginate/trunk/I18n (check the version number for the correct file)

WP-SEO-Paginate

Provides users with better and simple navigation interface.

Boris Volkovich

If you need a simple plugin to navigate through your posts by first letter use this plugin.

WP-SEO-Paginate vs WP Alphabetic Navigation