Add New Network Users to the Main Site
Adds every newly registered user to the main site with a role you choose, so members of any subsite also have an account on your hub site.
Snippet Library
Multisite snippets for WordPress
Snippets for WordPress Multisite networks: network-wide settings, new site defaults, super admin tools and cross-site tweaks. For network administrators who manage many sites from one install.
Export Network Users to CSV
Adds an "Export CSV" button to Network Admin > Users that downloads every network user with their email, registration date, number of sites and super admin status.
Redirect wp-signup.php When Registration Is Closed
Sends visitors who land on wp-signup.php to a page you choose (or the homepage) when network registration is turned off, instead of showing a bare "Registration has been disabled" screen.