BjornW

<blockquote>
DO NOT USE THIS PLUGIN! 
 It is outdated, not maintained and frankly there are better plugins to use.
</blockquote>
bbRedirector makes it easy to redirect a page to another location using absolute urls from within WordPress. 
No mod_rewrite nor .htaccess is needed. You just create a page, add a specific customfield and choose the 
redirect template included with this plugin. It even allows you to set the required http status code (302 or 301). 
You can also set a default sitewide redirection or setup your own custom redirection.
The included templates should give you an easy start using this plugin.
Feature requests? Remarks? Questions? Patches? 
<a href="http://www.burobjorn.nl" rel="nofollow ugc">Feel free to contact me</a>.

bbRedirector

bbRedirector makes it easy to redirect a page to another location using absolute urls.

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.

bbRedirector vs WPMU Block Spam By Math