List of Stop SOPA Day page templates
SOPA Strike has HTML and JavaScript options. The HTML template has a nifty newspaper graphic Site (links to JS option): http://sopastrike.com/ HTML template: http://sopastrike.com/strike/
zachstronaut's spotlight/going dark HTML template (already mentioned on HN) GitHub: https://github.com/zachstronaut/stop-sopa HTML template: http://www.zachstronaut.com/lab/text-shadow-box/stop-sopa.html
nitrogenlogic's fork of zachstronaut's template, has some different versions linked to from the GitHub README: GitHub: https://github.com/nitrogenlogic/stop-sopa HTML template: http://www.nitrogenlogic.com/sopa.html Drupal module: https://github.com/mcantelon/drupal-sopa-blackout
SopaBlackout.org has both JavaScript and WordPress versions. Go to the URL to see what it looks like and click anywhere that isn't a link to find the code: http://sopablackout.org/
WP-SOPA-Blackout is a WordPress plugin to replace your blog for the day with a splash screen, which you can see a screenshot of at the link: https://github.com/chrisguitarguy/WP-SOPA-Blackout
Please comment below with any others you find.