Charles Fulton

This plugin suppresses features of the Multisite site creation process:
<ul>
<li>It suppresses the welcome email sent to new site administrators on site creation</li>
<li>It cancels the site creation process if the given email does not exist, instead of creating a local user</li>
</ul>
It also flushes rewrite rules on site creation to address https://core.trac.wordpress.org/ticket/20171.
<h3>Privacy</h3>
This plugin neither collects nor stores any personal, private, or identifying information about any user.

Site Creation Utilities

This plugin improves the Multisite site creation process by eliminating undesired features.

Slava Abakumov

Plugin will transform wrong months’ cases (in date) to proper ones (according Russian grammar rules).
Examples: 
* not “28 September” but “28 сентября” (Eng->Ru); 
* not “28 Сентябрь” but “28 сентября” (incorrect Ru->correct RU)
Visit <a href="http://cosydale.com" rel="nofollow ugc">CosyDale.com</a> for more information.

BuddyPress Russian Months

Plugin will transform wrong months' cases (in date) to proper ones (according Russian grammar rules).

Site Creation Utilities vs BuddyPress Russian Months