CrowdtiltOpen (formerly Crowdhoster) started out as a side project built on top of the Crowdtilt API.
We chose Ruby because we wanted the project to be as accessible as possible. There are low barriers to entry to customizing the app and it's allowed for some pretty awesome contributions from the open source community. https://github.com/Crowdtilt/CrowdtiltOpen
Core contributor on CrowdtiltOpen here -- sorry for the lack of international info, we'll update the FAQs! Shoot me an email (lebel at crowdtilt dot com) and I'll happily get you set up with the international beta.
I work for Crowdtilt -- if someone who knows Richard can contact me (lebel at crowdtilt dot com), I can help get a campaign set up with all fees waived.
Skip the Prezi and go straight to the website contact page.
Reasoning -
1. Your landing page displays an already powerful statement.
2. Your site (post-Prezi) looks professional, the Prezi doesn't.
3. I find it annoying to click through the Prezi.
I totally agree that adding some text to the effect of "you may cancel at any time" would be perfect -- we'll get that in there!