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.

Dennis

This plugin adds to the signup page of WordPress MU a checkbox for TOS and/or privacy policy.
This plugin is an older version and a newer version will be published in the near future.
See the installation tab for instructions to setup this plugin.

AGB-Checkbox

This plugin adds to the signup page of WordPress MU a checkbox for TOS and/or a privacy policy.

WPMU Block Spam By Math vs AGB-Checkbox