milordk

en: Create a cloud of users on your social network! Do you have many users? Do you want more communication? Install this widget! 
Provides random members avatar with link to profile
ru: Создайте облако пользователей Вашей социальной сети! У Вас много пользователей? Хотите больше коммуникаций? Установите этот виджет!
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ru: Данная версия плагина не будет поддерживаться в новых версия BuddyPress (1.2.5.1 и выше), взамен будет новый плагин: 
en: This version of the plug will not be supported in the new version BuddyPress (1.2.5.1 and above) will return the new plugin:
Jet Unit Site Could (https://wordpress.org/extend/plugins/jet-unit-site-could/) 
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<a href="http://sportactions.ru" rel="nofollow ugc">Live demo</a> (need registration)
! backward compatibility with 1.1.3
<h3>Contact</h3>
For suggestions, bugs, hugs and love can be donated at the following locations.
<a href="http://milordk.ru" rel="nofollow ugc">Authors page</a>
<a href="http://milordk.ru/r-lichnoe/opyt-l/cms/prodolzhaem-widget-o-stroenie-jet-random-members-widget.html" rel="nofollow ugc">Plugin page</a>

Jet Random Members Widget

en: Create a cloud of users on your social network! Do you have many users? Do you want more communication? Install this widget!

jwpegram

This plugin protects your WPMU signup process against spambots with a simple math question. This plugin is based on the <a href="https://wordpress.org/extend/plugins/block-spam-by-math/" rel="ugc">Block-Spam-By-Math</a> plugin created by <a href="http://www.grauonline.de" rel="nofollow ugc">Alexander Grau</a>. This only protects the new blog creation process and the new user creation process. If you wish to have individual blog protection use the regular Block-Spam-By-Math plugin on individual blogs.
<h3>Help</h3>
For additional help check the plugin page at: http://www.jamespegram.com/wpmu-block-spam-by-math/

WPMU Block Spam By Math

This plugin protects your WPMU signup process against spambots with a simple math question.

Jet Random Members Widget vs WPMU Block Spam By Math