Limit How Many Sites Each User Can Create
Stops a user from signing up for another site once they already own the number you set; super admins are never limited.
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.
Set the Maximum Upload Size for the Whole Network
Overrides the network's "Max upload file size" setting from code, so every site gets the same per-file limit regardless of what is stored in the database.
Storage Used Column in the Network Sites List
Shows how much upload space each site uses next to its quota in Network Admin > Sites, highlighting sites that are close to the limit.