Add a Team Member to Every New Site
Adds a chosen user, such as your support or editorial account, to each newly created site with the role you pick.
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.
Reserve Site Names on the Network
Blocks signups for site names you want to keep, such as shop, support or your brand names, on top of WordPress's built-in reserved list.
Site ID Column in the Network Sites List
Adds a narrow "ID" column to Network Admin > Sites, handy when a plugin, WP-CLI command or support request asks for a blog ID.