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.

Wishloop

Generates “Terms Of Service” and “Privacy Policy” texts with your own website’s/company’s information using generic versions of Automattic’s Terms of Service and Privacy Policy.
You can use the following shortcodes [wl_tos] to output the Terms Of Service text and [wl_privacypolicy] to display the Privacy Policy text anywhere on your website.

Terms of Service & Privacy Policy Generator

Generates "Terms Of Service" and "Privacy Policy" texts based on your information using shortcodes.

AGB-Checkbox vs Terms of Service & Privacy Policy Generator