lakrisgubben

<p>This plugin uses BuddyPress’s notification system to let users subscribe to all new posts on a site (or many sites if you run Multisite). When a new post is published all users subscribed to the site gets a notification and optionally an email (can be turned off in their BuddyPress email settings).</p>
<h4>Requires</h4>
<ul>
<li>BuddyPress 2.3 or later</li>
<li>WordPress 4.3 or later</li>
</ul>


BP Site Subscriber

This plugin uses BuddyPress's notification system to let users subscribe to all new posts on a site (or many sites if you run Multisite).

shawfactor

<p>Are you running a WordPress network? You no longer need to manually add new users to each of your sites.</p>
<p>With this plugin, users are assigned a default role on a new site when they log in for the first time (they authenticate against the network username and password). You set the default role for each site and this plugin applies it. If the user already has a higher role assigned they keep their role on logon</p>
<p>You can assign different roles for each site or keep a site private by assigning no role.</p>


LH Assign Role On Logon

Automatically add users to each site in your WordPress network on initial login.

BP Site Subscriber vs LH Assign Role On Logon