dainius.kaupaitis

When navigating on pages widget shows links to child pages. If there are no child pages – widget shows „brother“ pages. 
Link of currently viewed page can be styled through CSS. Widget shows nothing if user is browsing Posts (not Pages). 
Admin can configure:
<ul>
<li>widget title</li>
<li>which pages must be excluded</li>
</ul>
Widget can be localized.

DKA Child pages widget

tweetysha

TW Pagination 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, it has also been widely reported that pagination increases the SEO of your site by providing more links to your content.
TW Pagination can also be used to paginate post comments!

TW Pagination

TW Pagination is a simple and flexible pagination plugin which provides users with better navigation on your WordPress site.

DKA Child pages widget vs TW Pagination