It's a membership-based application. Any member can create and run surveys. It remembers how users voted and allows changes, and it correctly tablulates results. It's an excellent companion to Manila, but it is not a Manila site.
Full source is provided.
It's good sample code if you've been writing mainResponder apps and want to see how we do those in 6.1. Download Requires Frontier 6.1 or greater. How to install Run surveySuite.install. It makes two macros legal, allowing Manila users to run and show results of surveys directly in pages of Manila sites. The items in this table configure the initial new survey, state your editorial policy for hosting surveys, and provide the URL for member profiles.