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.

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!

WPMU Block Spam By Math vs Jet Random Members Widget