Marcus Downing

Sometimes you want the different sites on a multisite network to share their taxonomies. 
This plugin forces a child site to use its parent’s taxonomies instead of its own.

MU Central Taxonomies

On a multisite network, this makes a child site use the main site's categories and taxonomies instead of its own.

PenciDesign

This plugin will create a new page navigation. Easy to use and custom it. 
With this plugin, you don’t worry about paging in your blog.
Multiple styles for navigation, you can see in <a href="https://wordpress.org/plugins/easy-wp-page-navigation/screenshots/" rel="ugc">Screenshots</a>
To using it in your blog, see the <a href="https://wordpress.org/plugins/easy-wp-page-navigation/installation/" rel="ugc">installation instructions</a>
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<h4>Support</h4>
Support is handled in the <a href="https://wordpress.org/support/plugin/easy-wp-page-navigation" rel="ugc">WordPress forums</a>. Please note that support is limited and does not cover any custom implementation of the plugin.

MU Central Taxonomies vs Easy WP Page Navigation