Copy Posts to Another Network Site
Adds a "Copy to site" bulk action on the Posts screen that copies the selected posts (title, content, excerpt and featured image URL as a note) as drafts to another site you are an editor on.
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.
Copy Settings From a Template Site to New Sites
Copies chosen options, such as Customizer settings, the site icon and reading settings, from a template site onto every new site.